6 Best PSUs for Ryzen 9 3900x
The Ryzen 9 3900x is a strong processor. It does a strong job for any 4K gaming PC build. And a strong desktop processor needs a strong power supply unit (PSU).
Even as advertised, not all PSUs can handle the turbo boost of power that some processors require, especially a Ryzen processor. They can’t make a Ryzen CPU run efficiently, or their power consumption just isn’t enough to handle the CPU.
So, where do find the best PSUs for the Ryzen 9 3900x? We’ve made that job much easier for you.
These are the 6 best PSUs for the Ryzen 9 3900x. These power supplies will have your processor, graphics card, and PC gaming setup working like no other.
| Image | Title | Price | Prime | Buy |
|---|---|---|---|---|
| Thermaltake Tough Power 80+ Gold Power Supply Unit | PrimeEligible | Buy Now | ||
| NZXT C650 – NP-C650M – 650 Watt PSU – 80+ Gold Certified ATX Gaming Power Supply | PrimeEligible | Buy Now | ||
| Corsair RM850x 80 Plus Gold, 850 Watts, Fully Modular ATX Power Supply Unit – Black | Prime | Buy Now | ||
| GAMEMAX Power Supply 850W Fully Modular 80+ Gold Certified | PrimeEligible | Buy Now | ||
| Seasonic FOCUS Plus 850 Gold SSR-850FX 850W 80+ Gold ATX12V Power Supply | Prime | Buy Now | ||
| EVGA SuperNOVA 220-G3-0850-X1, 850 G3, 80 Plus Gold 850W Power Supply | Prime | Buy Now |
Prices and images pulled from the Amazon Product Advertising API on:
6 Best PSUs for Ryzen 9 3900x
1. Thermaltake Tough Power 80+ Gold Power Supply Unit
- [80+ gold and Intel C6/C7 States ready] – Deliver up to 90% efficiency, Gf1 Series optimized to work with all generations of Intel’s processors to achieve maximum energy saving
- [Ultra quiet 140mm hydraulic Bearing fan] – Self-lubricated hydraulic Bearing PWM fan superior cooling performance and near silent operation
- [Smart zero fan] – Auto-regulated fan speed based on power consumption for a quiet and efficient operation. Fan works only when PSU work load goes over 30%. a switch at the back of the PSU can be turned off to have the fan spun constantly
- [16AWG wires] – Upgraded CPU/PCI E main cables (16AWG wires) for high end enthusiasts Pcs
- [Japanese capacitors] – 100% High quality 105°C (221°F) Japanese capacitors offer the highest stability, durability, and reliability
- [Zero cable platform] – Daughterboards are directly soldered to the Motherboard for better heat dissipation and impressive output power quality
- [<30 mV low ripple noise] – Low ripple ensures excellent performance and keeps performance-critical components, such as high-end graphic card, operating reliably longer
The Thermaltake Tough Power 80+ Gold power supply unit is the most affordable on this list. It’s perfect for a budget and it doesn’t sacrifice features.
It’s made to work with all generations of Intel processors. This helps create maximum energy.
The fan is a self-lubricating hydraulic bearing PWM fan. It’s auto-regulated to maintain fan speed, and makes for a much quieter power supply unit. There’s a switch on the back of the unit. You can use it to turn it off.
The daughterboards of the unit are soldered to the motherboards. This makes for better heat dissipation. You don’t have to worry about overheating this little power supply unit.
Thermaltake uses only high-quality 105-degrees Japanese capacitors. These are the toughest and most reliable capacitors out there, and has up to 90% efficiency.
A 10-year warranty is included. If any issues come up, the manufacturer will either repair or replace the unit.
2. NZXT C650 80+ Gold Power Supply Unit
- 80+ GOLD CERTIFIED: Reliable power while ensuring optimal efficiency and quieter performance
- SILENT OPERATION: A push of a button enables Zero RPM Fan mode, silencing the fan under low-load conditions.
- ALL THE ESSENTIALS: Fits any case conforming to the ATX standard with the C650 and C750 support NVIDIA GPUs up to 2080ti and AMD GPUs up to Radeon VII while the C850 can support multi-GPU configurations
- BUILT FOR BUILDERS: modular design lets you use only the cables you need, ensuring easier installation, and less clutter
- SLEEVED CABLES: The sleeved main cables look great and resist heat damage as well as fraying, delivering greater durability and longev
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
- [80+ gold and Intel C6/C7 States ready] – Deliver up to 90% efficiency, Gf1 Series optimized to work with all generations of Intel’s processors to achieve maximum energy saving
- [Ultra quiet 140mm hydraulic Bearing fan] – Self-lubricated hydraulic Bearing PWM fan superior cooling performance and near silent operation
- [Smart zero fan] – Auto-regulated fan speed based on power consumption for a quiet and efficient operation. Fan works only when PSU work load goes over 30%. a switch at the back of the PSU can be turned off to have the fan spun constantly
- [16AWG wires] – Upgraded CPU/PCI E main cables (16AWG wires) for high end enthusiasts Pcs
- [Japanese capacitors] – 100% High quality 105°C (221°F) Japanese capacitors offer the highest stability, durability, and reliability
- [Zero cable platform] – Daughterboards are directly soldered to the Motherboard for better heat dissipation and impressive output power quality
- [<30 mV low ripple noise] – Low ripple ensures excellent performance and keeps performance-critical components, such as high-end graphic card, operating reliably longer
The NZXT C650 80+ Gold power supply unit fits with any ATX standard case. It’s a great and affordable power supply unit option.
It has a Zero RPM fan mode. This cool fan mode has a button that quiets the unit once pressed. You won’t be distracted by a loud unit while gaming.
This same fan helps keep the power supply unit cool as well. It spins to cool the unit down and prevent overheating.
The modular design ensures you only use the cables you need. It also ensures organization and prevents cable tangling, which is one of the biggest pains with mostelectronics.
It has sleeved cables that prevent damage from heat. It also prevents fraying and other damage that could happen. This makes the cables last a lot longer.
3. Corsair RM850x 80 Plus Gold Power Supply Unit
- 80 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise and cooler temperatures.
- Tuned for Low Noise Operation: A specially set fan curve ensures that, even at full load, fan noise is kept to a minimum.
- Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation. iCUE Compatibility: No, Intel C6C7 sleep state compatible: Yes, Modern standby compatible: No
- 100% All Japanese 105°C Capacitors: Premium internal components ensure unwavering power delivery and long-term reliability.
- Fully Modular Cables: Only connect the cables your system needs, making clean and tidy builds easier.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
The Corsair RM850x 80 Plus Gold power supply unit is an affordable option. Even though it’s cheaper, it’s still a high-quality power supply unit that can handle the Ryzen 9 3900x processor.
It’s made for low noise. It’s also one of the quietest units you can find out there at such an amazing price. This power supply unit has a zero RPM fan mode. When it’s using low loads, the cooling fan turns off.
It uses 100% Japanese 105-degree capacitors. These high-quality capacitors last a very, very long time.
Plus, it has a full modular cable set. It makes organizing your cables easier and helps prevent tangling.
4. Gamemax 850 80+ Gold Power Supply Unit
- ⚡【Performance】Honeycomb ventilation design for optimal heat dissipation. 80 plus Gold certified, with 91% efficiency or higher under typical loads. Fully-modular output wire rod, optimize routing requirements.
- ⚡【Addressable RGB Control】Press RGB controller switch successively, the lights change into single color mode and breathing lights, color mix mode in turn.
- ⚡【Highest Protection】Powerful single +12V rails offer stable DC output and support high-end graphic card and PC system. Japanese capacitors offer the highest stability, durability, and reliability, OPP/OVP/UVP/SCP/OCP electrical protection included.
- ⚡【Our brand】GAMEMAX has been committed to manufacture PC components and provide OEM service for well-known brands from 2003 till now. GAMEMAXs products are of multiple international security standard certificates including CB, CCC, FCC, CE, etc.
- ⚡【After-Sale Service】The 5 years worry-free product experience process will be provided to you and the manufacturer will bear all the responsibility if any product problems happ
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
We love Gamemax’s 850 80+ Gold power supply unit. It has a cool RGB light that brings life to the power supply unit.
The RGB light has a controller switch. There are different modes, including single color mode and breathing lights. You can set it to whatever you think is coolest.
Gamemax uses a honeycomb design. The special design creates ventilation for the best heat dissipation. It won’t overheat on you when in use.
There’s a fully modular output. Organizing the cables has never been so easy.
It uses Japanese capacitors. These high-quality capacitors offer stability and durability. This power supply unit is tough and isn’t going to break down easily.
It has an efficiency of 91% or more.
It includes a 5-year warranty. No matter what issue arises, the manufacturer has your back.
5. Seasonic Focus GM-850 80+ Gold Power Supply Unit
- COMPACT SIZE - 140 mm DEEP; High power output to size ratio
- FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.
- 80 PLUS GOLD; 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load.
- HYBRID SILENT FAN CONTROL; The industrys first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.
- 10 YEAR WARRANTY; Our commitment to superior quality.
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
The Seasonic Focus GM-850 80+ Gold power supply unit is only 140 millimeters in length. It fits in any ATX system.
The FDB fan is regulated by Seasonic’s Silent Fan Control technology. This technology ensures everything runs smoothly and quietly.
It’s semi-modular. You have all the connection options you need. You can keep the cables tangle free because of this design. Plus, it ensures there’s better case airflow.
It includes a 7-year warranty. Seasonic’s customer service is fantastic.
6. EVGA SuperNOVA 850 G2 Power Supply Unit
- EVGA 850 G3: The Next Generation in Power
- 80 PLUS Gold certified, with 90percentage (115VAC) / 92percentage (220VAC~240VAC) efficiency or higher under typical loads
- Fan size/ Bearing: 130 millimeters Hydraulic Dynamic Bearing for ultra quiet performance
- Heavy duty protections, including OVP, UVP, OCP, OPP, and SCP
- 10 year Warranty
Prices pulled from the Amazon Product Advertising API on:
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
The EVGA SuperNova 850 G2 power supply unit is one of our favorites. It’s high-quality but it’s expensive. If you have the money, it’s worth it.
This power supply unit has an ECO thermal control fan system. This superb fan system has fan modes that make sure the unit makes zero noise. The fan also makes sure heat dissipates and there’s no overheating.
It has a fully modular design. It makes managing the cables easier and prevents tangling. This also improves case airflow for the power supply.
It’s a smaller size than many power supply units. This makes storage and portability so much easier on you. It’s only 150 millimeters in length.
This power supply is over 91% efficient.
It includes a 10-year warranty. If you have any complications, you only have to contact the manufacturer.
The Bottom Line
The Ryzen 9 3900x processor is one tough cookie. So, it’s important to find a power supply unit that’s just as tough.
This list is to help you pick the best power supply unit for your needs. It doesn’t matter what your budget is, there are great choices out there.
