Best Prebuilt Gaming PC Under 800

The overall cost of a gaming PC can become really expensive, especially if you are looking at the top of the line tech to go inside of it. However, for those that are on a stricter budget and aren’t willing to spend thousands of dollars on a new PC, you can actually get a great gaming PC for under $800.

Technology is constantly advancing, and with new tech comes a higher price. Though, you can still get a great gaming computer at a fraction of the prices of the most recently released ones.

You don’t actually need the best and most high-end gaming PC to be able to play games, unlike what many gamers will tell you. There are certain things that you will need to be able to run games, but a lot of pre-built gaming PCs that are under $800 will have what you require from them.

The best way to find these deals is to do lots of research, so we are going to save you some time and share our list of the top five gaming PCs that are under $800. We can tell you all about what they have to offer, and you can decide for yourself which one would make the best fit for you.

Our Top Pick

We can understand why you might be in a rush to get your new gaming PC set up before that new game release that you have been waiting for, which is why we will leave our top pick here for your quick and easy view. After researching the best gaming pc under $800, we have found that the best one available on the market is the CyberpowerPC gaming computer.

This computer is an Amazon’s Choice product, which just goes to show how popular and highly-rated that it is. Not only does it look aesthetically pleasing in all its glory, but it also has great tech inside to match. Your purchase also comes with additional equipment, so you are definitely getting great value for money with this product. We will give you some more details about this product below.


CyberpowerPC Gamer Xtreme VR Gaming PC, Intel i5-10400F 2.9GHz, GeForce GTX 1660 Super 6GB, 8GB DDR4, 500GB NVMe SSD, WiFi Ready & Win 10 Home (GXiVR8060A10)

CyberpowerPC Gamer Xtreme VR Gaming PC


SkyTech Blaze II Gaming Computer PC Desktop – Ryzen 5 2600 6-Core 3.4 GHz, NVIDIA GeForce GTX 1650 4G, 500G SSD, 8GB DDR4, RGB, AC WiFi, Windows 10 Home 64-bit

SkyTech Blaze II Gaming Computer PC Desktop


iBUYPOWER Gaming PC Computer Desktop Trace 4 9310 (AMD Ryzen 5 3600 3.6GHz, AMD Radeon RX 5500 XT 4GB, 8GB DDR4 RAM, 240GB SSD, WiFi ready, Windows 10 Home)

iBUYPOWER Gaming PC Computer Desktop


CyberpowerPC Gamer Xtreme VR Gaming PC

CyberpowerPC Gamer Xtreme VR Gaming PC, Intel i5-10400F 2.9GHz, GeForce GTX 1660 Super 6GB, 8GB DDR4, 500GB NVMe SSD, WiFi Ready & Win 10 Home (GXiVR8060A10)

This gaming PC is one of the best ones available on the market that is under $800, and it is optimized specifically for gaming. It is also VR ready, and the Intel CPU and high-performance GPU give this PC the raw power that it needs to be able to function at a high level. It even has really high-speed memory and a large hard drive to give it everything that it needs to focus solely on gaming.

You will be able to compete with other gaming competition out there with this PC, and it features the latest generation of high-performance Intel Core processors (10th generation) and ultra-quick DDR RAM so that you can easily handle any and all system-intensive tasks, including high definition video playback and gaming.

It features HTC VIVE and Oculus Rift for VR capability, and the Gamer Extreme CR series will work to provide a smooth gaming and multimedia experience.

This gaming PC is optimized for gaming at high game settings and resolutions, and you will be able to break down boundaries and immerse yourself into your game with stunning graphics that are better than ever before. It features a NVIDIA graphics processor and uses amazing DirectX 12 technology to provide you with excellent visuals while you game.

As well as this, Windows 10’s API has new and better features that are able to help provide you with quicker processing times in real-time, which will allow for higher FPS and richer graphics. It will also mean that you will have a reduced power consumption level, so you can play for longer.

The GeForce GTX 16 series graphics card that is inside this PC is able to deliver up to 3x better performance than previous generation graphics cards, and it brings innovative new gaming technology with it.

This graphics card combined with this PC’s game-ready drivers will provide you with both a fast performance and low latency, which will only improve your gaming experience. As if all of this wasn’t enough, your purchase also includes a gaming keyboard and an RGB 7 color mouse.


  • This PC is specifically optimized for gaming and is even VR ready
  • It features a high-performance CPU and GPU, which provide raw power for gaming
  • It features the latest 10th generation Intel processor
  • You can immerse yourself into the game with impressive graphics
  • The graphics card can deliver up to 3x more performance than previous generations


  • The ventilation on the PC could be better


SkyTech Blaze II Gaming Computer PC Desktop

SkyTech Blaze II Gaming Computer PC Desktop – Ryzen 5 2600 6-Core 3.4 GHz, NVIDIA GeForce GTX 1650 4G, 500G SSD, 8GB DDR4, RGB, AC WiFi, Windows 10 Home 64-bit

This SkyTech gaming PC comes with a gaming keyboard and mouse to give you almost everything that you need for your setup, and there are three RGB ring fans within the tower that not only look really cool, but they also work to provide maximum airflow. This PC is powered by an 80 plus certified 500-watt power supply, and the case features tempered glass so you can show off all of the amazing features inside the case.

It uses 2nd generation Ryzen 6 processing with the AMD Ryzen 5 2600, which enables the user to game, stream, and create with ease. This will give you a great advantage in a variety of different situations.

It also features a NVIDIA GeForce GTX 1650, and you can easily upgrade many of the components inside it. This in itself can perform up to 70% faster than previous models, all while playing the latest games. The dedicated GPU power will increase your ability to multitask, and overall, this PC offers great performance.

You will be able to achieve high frame rate performance on high/ultra 1080p graphics settings, and it features 8GB of DDR4 3000 RAM. Essentially, this PC will be able to run all of your favorite games without any difficulty.

The operating system is Windows 10 Home, and the PC itself comes with a handy 1-year warranty on parts and labor with a lifetime of free technical support available if anything were to go wrong.


  • This PC comes with a keyboard and mouse to help you build your setup
  • It features a one-year warranty on parts and labor
  • You will be able to achieve high frame rates on ultra/high graphics settings
  • You can run all of your favorite games without running into any problems
  • The colorful ring fans work to provide the best possible air flow


  • Many customers suggest that the tech support feature is unreliable


iBUYPOWER Gaming PC Computer Desktop

iBUYPOWER Gaming PC Computer Desktop Trace 4 9310 (AMD Ryzen 5 3600 3.6GHz, AMD Radeon RX 5500 XT 4GB, 8GB DDR4 RAM, 240GB SSD, WiFi ready, Windows 10 Home)

This gaming PC is also up there with some of the best options available under $800. It is a great entry-level gaming setup for those who are just starting out, and the company aims to fuel the user’s passion for gaming by providing the highest quality builds possible. This PC has an AMD Ryzen 5 3600 CPU, which offers great value for performance, and can run any AAA at a good frame rate.

The glass panel on the side of the case allows you to be able to see all of your components inside, which is great for those who like to add a bit of color through RGB in their setup. It also features 8GB of DDR4 RAM and has a 240GB SSD to help you along the way, and there are options for expandable storage, so you can add in your own storage using the open M.2 or SATA ports.


  • Great value in terms of the performance that you receive
  • The company aims to provide the highest quality builds possible
  • It features an AMD Ryzen 5 CPU that performs well
  • You can run any game with great frame rates
  • The glass panel allows you to see inside your PC


  • It does not perform quite as well as some of the other gaming PC’s that you can get f0r under $800.


CUK Continuum Micro Gamer PC

CUK Continuum Micro Gamer PC (AMD Ryzen 5 with Radeon Graphics, 16GB 3200MHz RAM, 256GB NVMe SSD, 500W PSU, AC WiFi, No OS) Gaming Desktop Computer

This gaming PC is a combination of colorful aesthetics and raw performance, and it has been specifically designed to provide the best airflow possible to keep your PC cool while you are gaming.

Both the inside and outside of the case are particularly stylish, and they feature a variety of different lighting effects. It has a modern and sleek design with a hinged glass side panel that is able to provide easy access and show off what is inside.

This gaming PC has been optimized for the best gaming experience possible, and has RGB fans to keep the temperature regulated while you are gaming. It even comes with an epic RGB keyboard and mouse bundle, so you won’t have to spend as much extra money on your setup, and the overall build is high-quality.

It has a solid steel construction with a cool mesmerizing infinity mirror front panel and a tempered glass side door, which is 3 to 5 times stronger than ordinary glass.

This PC features superior airflow options and the flow is actually provided through six

Six pre-installed high airflow fans with triple metal find designs to maximize airflow. Each desktop is hand built to ensure perfection when assembling, and all finished systems are thoroughly tested.


  • This PC has an impressive performance level for a PC of its price
  • The glass panel door allows for easy maintenance
  • This PC features superior airflow options
  • These are hand-built systems that are thoroughly tested
  • This bundle comes with an RGB keyboard and mouse


  • There isn’t much storage available on this PC


ROG Strix GL10DH Gaming Desktop PC

ROG Strix GL10DH Gaming Desktop PC, AMD Ryzen 5 3400G, GeForce GTX 1650, 8GB DDR4 RAM, 512GB PCIe SSD, Wi-Fi 5, Windows 10 Home, GL10DH-PH552

This ROG Strix GL10 gaming PC operates on Windows 10, and is able to deliver phenomenal gaming experiences. It is powered by an AMD Quad Core Ryzen 5 3400 processor and features GeForce GTX 1650 graphics.

It also uses the brand new Armoury Crate utility, which is able to give you easy access to system settings when you need them, and it also provides you with the ability to customize the Aura Sync lighting.

This gaming PC focuses on the fundamental necessities that are needed for any gaming PC to be successful, and it is able to provide the best possible experience by doing so.

It is perfect for entry level gamers and has been intelligently and expertly tuned to combine the speed and stability that you are looking for in a PC of this kind with an epic design that stands out from the crowd.

It also features 7.1 virtual surround sound front panel audio, and there is a transparent side panel so you can make it look even better by customizing your lighting.


  • This gaming PC is able to offer a phenomenal gaming experience
  • It can give you easy access to system settings when you need them
  • It has customizable lighting options for you to alter
  • It has everything that you need from an entry-level gaming PC
  • It features 7.1 virtual surround sound


  • This PC doesn’t come with any added extras as some other ones do

Best Prebuilt Gaming PC Under $800 - Buying Guide

Now that you know all about some of the very best gaming PCs that are available on the market, you are probably wondering how you are going to decide which one to get. There are lots of different things to think about when it comes to PC components, features, and tech, and we are going to go over some of the most important things for you to consider here.


One of the first and most important things that will influence your decision making is your budget. While you can get some pretty good deals for $800 dollars, you are not going to be able to purchase a top of the line PC that does anything and everything. You are going to have to make some compromises in terms of the standards that you are going to receive if this is the amount of money that you have available to you.

You might not be able to get the most up to date technology, but you can compromise on certain aspects to still get great value for your money. With this budget in mind, you should still be able to get some decent quality parts included with your pre-built PC, and you should also be able to achieve high FPS while you are gaming at a high level. The best thing that you can do is to compare a variety of different pre-built PCs to find out which one is going to give you the best value for your money.

Future Upgrades

Don’t forget, more often than not, you will be able to upgrade the components inside your PC as time goes on, so you aren’t stuck with whatever you are purchasing at the time. Otherwise, people would be spending lots of money each year buying an entirely new build rather than new components. This is great as it allows you to save up for things one at a time, rather than having to buy them all outright.

Of course, everything will have to be compatible in order for this to work, but as long as you know what you are doing, there is no reason why you can’t upgrade your parts in the future when the existing ones start to get outdated.


All of the pre-built gaming PCs that we have shown you in this list will be able to provide you with the level of performance that you need to play recent releases. These types of PCs are in the mid-range in terms of price, and there is only so much they can provide you with in terms of performance, but you will find that they are more than decent enough to run your games with high quality graphics and around 60 FPS, depending on the build. You won’t be let down by any lag or slowness, and your gaming experience will not be interrupted.

Best Prebuilt Gaming PC Under 800 - Frequently Asked Questions

Would I Be Better Off Building My Own PC?

We can understand why you might be looking at building your own gaming PC instead of buying a pre-built one and there are many reasons why you might want to do so. The first of these reasons is due to the fact that it can save you quite a bit of money. When you build your own PC, instead of buying on straight out of the box, you can save a lot of money because you are not paying for labor as well as the parts that you are getting. Essentially, you are paying somebody else to build the PC for you.

Another reason why you might want to build your own gaming PC is that you will be able to choose exactly what goes inside of it. You will be able to choose the best components for a balanced build, rather than getting stuck with whatever comes already built-in to the PC. This allows you to make smarter decisions that will benefit you, and even allow you to save money at the same time.

Best CPU Cooler for i9 9900k

The i9 9900k from Intel is a powerhouse of a CPU and still holds its own against the newer 10th generation Ice Lake processors. With 8 cores and 16 threads clocked at 3.6GHz base and 5.0GHZ Turbo, this CPU can handle almost all activities easily.

Basically what that means is this CPU has 8 individual cores that it can allocate separate tasks to and this requires power. The TDP of the i9 9900k is 95W stock which means it runs hot.

To counteract this Intel implements a base and boost clock system where depending on the temperature of all 8 cores the CPU can make a choice as to whether it stays at lower TDP 3.6GHz or boosts up to its turbo speed of 5.0GHz. So if you aren’t cooling your unit correctly then you’re essentially giving up free processing power. This is all without taking overclocking into consideration.​

If you choose to forgo the implemented limits of your processor and increase its maximum power draw and voltage you can increase the base clock of each one of your cores, essentially bypassing the boost clock if you wanted to. Along with an increased power draw, you will notice a massive leap in idle and load temperatures so you really need to account for that in your choice of cooler.​

Overclocking does in some cases void the manufacturer’s warranty so proceed with caution, it does also make your system more unstable so watch a few tutorials before deciding to jump into your motherboard’s bios and enabling your overclocked profile at 5.8GHz across all cores because that’s how you bin a CPU.

The stock cooler that used to come with the higher end Intel CPUs is no longer included because it basically wasn’t doing its job properly. So it’s completely up to you to get your own cooler despite the fact that you’ve just shelled out over 400 bucks for the CPU.

This isn’t necessarily a negative thing though, as we stated the previously included stock cooler ensured that you would never be able to experience the boost clock of your CPU as they would thermal throttle under light loads. So with the power of choice now in your hands, you get to decide how to cool this beast of a CPU.

There are 3 options you have when looking at CPU coolers but we’re going to remove one of those options immediately. The 3 cooling options you have are air cooling, AiO water cooling, and custom water cooling loops/rigs (we are aware of a 4th option that involves electronically removing heat but that is nowhere near commercially viable so we omit that one).

The cooling option we're going to be omitting is the custom loops option, the main reason for this is despite its dominance in the performance category the entry price and widely varied available parts down to the joints of the piping make this inaccessible to the masses and should really only be used by the most extreme PC enthusiasts out there.

From our research and testing, the viability of AiO water cooling is actually decreasing. As the technology in air coolers increases, AiO systems are being left behind. From the numbers we’ve seen, our top pick actually outperforms the most mainstream 360mm AiO CPU cooler by a factor of about 10% when it comes to the temperatures.

The benefits of having an AiO water cooling system for your CPU are all outweighed by the performance of newer air coolers and with price tags starting at around $100 we’ll be leaving them out of our list. We’ve also included a buyer’s guide at the bottom of this article so you’ve got all the information and confidence you need to cool your CPU.In a Rush?

Are you in a hurry to get that new song rendered or are you waiting to jump into Cyberpunk 2077 and you just don’t have the cooling sorted out for your i9 9900k yet? Not to worry we’ve got our top pick for you right here and just a few reasons why it’s our favorite.Noctua NH-D15

The NH-D15 from Noctua is one of the best cooling options currently available on the market. For this price, you simply cannot achieve better temperatures. Here’s a few reasons why we love it:

  • Unrivaled cooling performance.
  • It has a Dual fin tower design.
  • 6 direct contact heat pipes per stack.
  • Includes 2 market leading NF-A15 140mm fans.
  • Compatible with most cases and most CPUs.


Noctua NH-D15, Premium CPU Cooler with 2x NF-A15 PWM 140mm Fans (Brown)

Noctua NH-D15


be quiet! Dark Rock Pro 4, BK022, 250W TDP, CPU Cooler Black

be quiet! Dark Rock Pro 4


Noctua NH-U12S chromax.Black, 120mm Single-Tower CPU Cooler (Black) for Desktop

Pro-Tec Ace Water Helmet


Noctua NH-D15

Noctua NH-D15, Premium CPU Cooler with 2x NF-A15 PWM 140mm Fans (Brown)

The Noctua NH-D15 is an award winning air cooler brought to you by Noctua. A company with nothing but performance in mind Noctua has knocked this one out of the ballpark.

The NH-D15 performed extremely well in tests with an overclocked i9 9900k reaching maximum temperatures of 78 °C under heavy load and a maximum decibel level of 39 Db. This performance is mostly unheard of in air coolers, especially with overclocked CPUs.

Noctua has achieved this level of performance with a few different design features it has optimized to perfection over the years. The NH-D15 itself is an updated version of Noctua’s massively awarded cooler the NH-D14 which was praised for its performance in cooling and audio levels.

Both used a double fin stack tower design that immediately doubled the surface area available for heat dissipation. The density of the fins is also something Noctua prides itself on, they claim to have found the perfect fin separation distance which is what helps to increase the total airflow over them and the heat pipes.

The fans powering this titan of a cooler are also worthy of credit. The amount of airflow Noctua has achieved with its fan blades is unrivaled.

The 140mm NF-A15 fans Noctua includes with this cooler are a pair of PWM fans that are able to be completely controlled by the motherboard as it deems fit (speeding them up when things get a bit too toasty).

These fans achieve such high levels of airflow with a markedly low RPM, Noctua also includes a low-noise adapter that limits the RPM of the fans.

The fans are mounted with the SecFirm2 mounting system which is one of the easiest mounting systems on air coolers, simply pull the pins past the fans and release them, and they are fitted.

The NH-D15 also comes with Noctua’s NT-H1 thermal-compound included which again is market leading in its heat transfer capabilities. The mounting included in the box is fit for either AMD or Intel and mounting it onto the 1151 socket of the i9 9900k couldn’t be easier.

The Noctua mounting brackets are extremely secure and will stay locked to your motherboard for as long as they are screwed in.

The clearance of the cooler may come into question but at only 165mm tall the cooler will fit into most cases. The issues for clearance are more prevalent in the NH-D15’s compatibility with RAM.

As long as you are using standard height (up 32mm) RAM you will be able to mount this cooler without any alteration.

If however, you are using aftermarket RAM DIMMs that are taller than 32mm you will need to raise the front fan by a small amount. This shouldn’t affect the performance of the cooler and with 64mm of clearance before the fins begin you’ll be left plenty of space for your Dominator X Platinum memory.

If you’re looking to cool down your CPU to arctic levels then this is the best option for you and will not sound like a jet engine about to take off.

If however you won’t be overclocking your CPU and don’t need that level of performance then one of the other coolers on our list may be your best fit but this cooler can still run at low speeds to give great performance which is why it’s out top pick.

Noctua also offers a 6 year warranty on all of their components meaning you can rest assured that you’ve made the right choice.


  • Market leading performance in both heat transfer and audio levels.
  • The included 140mm NF-A15 fans are some of Noctua’s best performing fans and can even run with the low-noise adapter without giving up too much performance.
  • With the NT-H1 thermal compound included you won’t need to purchase anything with this cooler.
  • Noctua includes mounting systems for most CPU sockets so its compatibility makes it ideal for the i9 9900k.
  • The 6 year manufacturer’s warranty gives you confidence in the cooler.


  • Clearance with aftermarket RAM.


be quiet! Dark Rock Pro 4

be quiet! Dark Rock Pro 4, BK022, 250W TDP, CPU Cooler Black

The Dark Rock Pro 4 is a great entry to this list and is our only entry from be quiet!. They have designed a cooler that is on par (in terms of performance) with the NH-D15 and comes in at around the same cost.​

be quiet have equipped this cooler with their inaudible virtually Silent Wings PWM fans that can spin at low RPMs whilst still maintaining high air pressure. They do this with the funnel shaped fan exterior that discourages air ‘leakage’ and increasing the efficiency of the fans hugely.

Oddly, the fans that come included are not matching fans. The central fan is a 140mm and the exterior is a 120mm, be quiet! states that this setup works for optimal thermal displacement.

They also state that you are able to add a further 120mm to the exhaust side of the cooler (with enough clearance) for even better cooling performance.

The Dark Rock Pro 4 is one of the best looking units on our list with a solid black design and a shroud that covers the top part of the fin stacks. The mounting system and heat pipes are all coated in a black finish. If the vanity of your system matters to you then this is the cooler you want.

The uneven fans also increase the RAM clearance for better all-round compatibility. The only area this cooler lacks is in its mounting. The Dark Rock Pro 4 is drastically more difficult to mount than our top pick from Noctua, this is the main reason it is number 2 on our list. ​

cooler performs amazingly and offers options for customizability but the mounting and maintenance is just a little too difficult. This is still an amazing cooler and really looks the part.


  • The 2 Silent Wings PWM fans run almost silently without compromising heat displacement.
  • With 7 heatpipes in each fin stack, this cooler is prepared for high heat.
  • An all black design including the shroud and mounting system make this unit look really good.
  • The uneven fans increase throughput and make the whole device more compatible.
  • Has options to add more fans for the heavily overclocked i9 9900k’s.


  • The mounting system is not the easiest to use and can make it difficult for novice pc builders to mount correctly.


Noctua NH-U12S

Noctua NH-U12S chromax.Black, 120mm Single-Tower CPU Cooler (Black) for Desktop

Our second entry from Noctua the NH-U12S utilizes a lot of the same great Noctua features without being too big and bulky. The NH-U12S is a great option for you if you have a smaller PC case or have really fancy RAM DIMMs.

This cooler has the same fin stack design as the NH-D15 except it only has 1 tower. It also only comes with a single NF-F12 120mm fan included.

You would think this halves the performance of the NH-U12S but it absolutely does not, in fact this cooler almost keeps up with its bulkier older brother throughout our testing.

The NH-U12S really acts as a testament to Noctua’s amazing design and technology that have been built into all of their units. It’s only as you push the clock speed of the i9 9900k closer towards that 5.0GHz base clock that this cooler starts to separate from the NH-D15.

The size of the NH-U12S makes it ideal for smaller PCs especially if you’re using a Micro-ATX motherboard then you won’t have to worry about RAM overhang and case compatibility.

At 158mm tall you would even be able to fit it into a compact case. Noctua supplies all of the mounting brackets and NT-H1 thermal paste with this one so you won’t have to worry about purchasing an aftermarket kit to mount it.

This cooler also comes with Noctua’s 6 year manufacturer’s warranty so you can feel safe in your purchase and also in the quality of the product. For a stock i9 9900k, this cooler would be more than adequate, and it reduces your cost compared to the last 2 coolers by about 25%.


  • Noctua’s award winning design makes this compact unit extremely powerful.
  • A single 120mm NF-F12 fan means this will run even quieter than the previous 2 coolers.
  • The compact design makes it perfect for all cases and motherboards.
  • The Included Noctua mounting kit is easy to use.
  • This comes in all black or chrome and brown to suit your build.


  • Not as good as the NH-D15 with an overclocked i9 9900k.


Cooler Master Hyper 212 Evo

Cooler Master Hyper 212 Evo CPU Cooler (RR-212E-20PK-R2), 120mm PWM Fan, Aluminum Fins, 4 Copper Direct Contact Heat Pipes for AMD Ryzen/Intel

The Hyper 212 Evo is a solid entrant to this list and performs exceptionally well despite its reduced size and also price. Cooler Master released this model almost a decade ago and they haven’t changed a single aspect of it since release.

This is because the design just works, Cooler Master; as their name suggests have mastered CPU cooling on a budget. This cooler won’t keep up with the Noctuas in terms of overall cooling performance but at under half the price of the NH-U12S it doesn’t need to.

You would even be able to get a minor overclock out of your i9 9900k with this cooler as it deals with temperatures very well for its size. The major trade off here is the audio level, at full tilt the supplied 120mm fan can hit the dB levels in the 40s.

With only 4 heat pipes it definitely needs the extra air pressure to keep your CPU cool. But it definitely does keep it cool, The Hyper 212 Evo uses a direct contact heatpipe design that removes any aluminum or die covering that would usually act as a heat spreader for the heat pipes.

This direct contact increases the efficiency of the unit and increases its heat displacement. This feature does however also limit the amount of heat pipes the die can hold so the fans need to run at a higher RPM to make up for this.

This CPU cooler is actually the very same cooler I used in my first solo build about 7 years ago so we can definitely vouch for its efficacy.

If you’re looking to keep costs down and just need a reliable method of cooling your i9 9900k then the Hyper 212 Evo is where you should look, you may not be able to overclock your i9 but with usage rating of 40,000 hours this will last as long as your whole pc.


  • Half the price of the Noctua units.
  • The direct contact heat pipes increase the heat displacement.
  • The high RPM fan can keep your CPU cool without too many heat pipes.
  • It only pulls 2.64 Watts from the mains so you don’t need a beefy power supply to run it.
  • Cooler Master includes mounting brackets and thermal paste to make this an easy fit.


  • At full speed (2000+ RPM) the fan can be heard, this won’t happen during standard usage.



DeepCool Assassin III CPU Air Cooler Mighty 280w TDP 7 Nickel Plated Copper Heat Pipes CPU Cooler with TF140s Fans 140mm PWM 1400RPM Under 29.5dB(A) for AMD AM4 Intel LGA 1200/1151/1150/1155

The Assassin III from DEEPCOOL has the highest thermal displacement performance of all our entrants but it does come at a bit of a cost.

The Assassin II is a beast when it comes to cooling with a 280W TDP and comes in at the same cost as the Noctua and be quiet! entrants on our list.

In terms of overall cooling performance the NH-D15 and Dark Rock Pro 4 both had a lower idle temperature and load temperature but there wasn’t a huge difference.

The main reason this cooler is at the bottom of our list is because of its compatibility with cases and RAM, it performs extremely well and much better than most coolers on the market but you also need to plan your build around it.

At 185mm tall this behemoth will not fit in most smaller cases or mid towers with slimmer faces. You also only get a maximum of 54mm of clearance for your RAM so choose wisely.

However with dual 140mm fans that have a max RPM of 1400 you won’t hear sound levels above 34 dB and it will keep your i9 9900k cool. The design also includes 7 heat pipes meaning you need less air pressure to pass over less pipes.

With its signature ‘airflow focusing’ spoiler and nickel finish the Assassin III definitely looks the part. For roughly the same cost it really is down to how much of an overclock you’re looking for and whether it has the right look for your build.


  • The dual 140mm low RPM fans keep high air pressure through the fins without a high audio level.
  • The 280W TDP means you can pump a lot of heat through it before it would start to struggle.
  • The 7 heat pipes increase the efficiency of the cooler.
  • The black plastic and nickel coated copper make the Assassin III aesthetically pleasing.


  • The large size makes it less compatible with RAM and cases.

Best CPU Cooler for i9 9900k Buying Guide

If you’re looking for a cooler for your i9 9900k you need to ask yourself a couple of questions. Are you going to be overclocking your unlocked CPU? And will I be performing CPU intensive tasks like video encoding or 3D rendering or even 4k video playback? Once you have an answer to both these questions you can make the right decision on which cooler to choose.

If you’re going to be overclocking your CPU then you need a high TDP cooler like the Assassin III or the NH-D15 but if you’re going to be keeping your CPU at stock speeds (let’s be honest the i9 9900k is fast enough for most things) then you would do fine with a single fan low RPM cooler like the Hyper 212 EVO or the NH-U12S.

The same applies for CPU intensive programs if you’re going to be doing mostly databasing or low resolution video streaming (FHD or QHD) then you would be completely fine with a cheaper cooler like the Cooler Master entrant. If however you’re going to be editing 4k raw video files or live streaming in 1440p then you will need a beefier cooler like the Noctua or be quiet! entrants.

The things you’ll be looking for are TDP (Thermal Design Power), Fan size and speed, audio level and the number of heat pipes. With most of these the higher the better, unless we’re looking at the audio level than the lower the decibels the better. The last thing you want is your gaming buddies asking if you live near an airport.