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Best Power Supplies 2023
1. Thermaltake Toughpower Grand RGB 750W Gold
Specifications
-Capacity 750 W
-Efficiency rating 80PLUS Gold
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best overall. The Thermaltake Toughpower Grand 750W Gold offers a very good overall package as a power supply and has more than enough power for the majority of users. In addition, it has an RGB-lit fan for showing off.
Pros
+ Very good efficiency
+ Quiet operation, switchable fan control
+ RGB lighting
+ Fully modular cable management
+ High quality capacitors installed
Cons
- Nothing significant
2. Be Quiet! Straight Power 11 850W
Specifications
-Capacity 850W
-Efficiency rating 80PLUS Gold
-Form factor ATX
-Modularity Full
-Warranty 5 year
Best 850W PSU. Be quiet! delivers with the Straight Power 11 a very solid power supply, which convinced us especially with the volume and stability of the 12 volt rail. In operation, the power supply also works almost inaudibly or very quietly thanks to the high-quality fan and the fan control.
Pros
+ Very quiet operation
+ Fully modular cable management
+ Good load regulation and low ripple
+ Good value for money
Cons
- Ambiguous labeling of the connectors
3. Corsair RM550x
Specifications
-Capacity 550W
-Efficiency rating 80 Plus Gold
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best 550W PSU. Corsair RM550x is very efficient, well-made and very quiet PSU. The completely modular design also facilitates cable management, and it comes with 10-year warranty.
Pros
+ Semi-passive, very quiet cooling
+ Sufficient output power for most PC systems
+ High Efficiency (80 PLUS Gold)
+ 10 Years Warranty
+ High quality electronics
Cons
- Cable stiffened by electrolytic capacitors.
4. Seasonic Prime Titanium Fanless 600W
Specifications
-Capacity 600W
-Efficiency rating 80 PLUS Titanium
-Form factor ATX
-Modularity Full
-Warranty 12 Year
Best silent PSU. With the Seasonic PRIME 600 W Titanium Fanless no one needs to worry about having to accept any compromises in terms of quality or performance due to the fanless design. The only significant "limitation" is the fact that the fanless version of the PRIME only exists with an output power of 600 watts.
Pros
+ Always remains silent
+ Exceptionally high efficiency (80PLUS Titanium)
+ 12 Years Manufacturer's Warranty
+ Fully modular
+ High quality components
Cons
- High price
5. Corsair RM Series RM650 650W
Specifications
-Capacity 650W
-Efficiency rating 80 PLUS Gold
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best value. Positive features of the RM series are the fully modular cable management, the semi-passive fan control and the ten-year manufacturer's warranty. It is also positive that Corsair has installed all important protection circuits in the RM. You get great value with RM series.
Pros
+ Good efficiency (80 PLUS gold)
+ Fully modular cable management
+ Semi passive fan control
+ good protection circuits
Cons
- Only 6x SATA connectors on RM650
6. Thermaltake Toughpower PF1 ARGB Platinum 850W
Specifications
-Capacity 850W
-Efficiency rating 80 PLUS Platinum
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best RGB PSU. The highlight of the Thermaltake Toughpower PF1 ARGB 850W Platinum is without question its RGB lighting. It does its actual job as a power supply quite well. It offers good 80-PLUS Platinum efficiency, very low ripple / noise voltages and stable output voltages. Technically, the Thermaltake Toughpower PF1 ARGB 850W Platinum makes a high-quality impression.
Pros
+ Very well implemented RGB
+ Semi-passive fan control
+ High quality components
+ 10 Years Manufacturer's Warranty
+ Fully modular cable management
Cons
- high price (due to the RGB features)
7. Corsair HX1000i 1000W
Specifications
-Capacity 1000W
-Efficiency rating 80 PLUS Platinum
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best 1000W PSU. The Corsair HX1000i is very well-equipped: fully modular cable management, eight PCI Express connectors, twelve SATA and Molex connectors each, ribbon cables and then the Corsair Link interface. Thanks to semi-passive fan control, it works silently over wide load ranges.
Pros
+ Corsair Link interface
+ Very high efficiency (80PLUS Platinum)
+ Very good connectivity (8x PCI-Express, 12x SATA)
+ Fully modular cable management
Cons
- Pricey
8. EVGA SuperNOVA P2 1200W
Specifications
-Capacity 1200 W
-Efficiency rating 80 PLUS Platinum
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best 1200W PSU. The EVGA SuperNOVA 1200 P2 impresses with its excellent efficiency. The power supply also has high-quality Japanese Nippon Chemi-Con capacitors, which should enable a long and smooth function. This is underlined by the lavish 10-year warranty. Furthermore, the power supply is fully modular, which allows an improvement of the air movement in the housing. The user can simply remove unnecessary cables or not connect them at all.
Pros
+ Very high efficiency (80PLUS Platinum)
+ Very good connectivity (up to 10x PCI-Express, 12x SATA)
+ 10-Year Warranty
+ Very stable output voltages with very low Ripple / noise voltages
Cons
- OCP to 3.3 V / 5V at more than 40 Amps
- Price
9. Corsair AX1600i 1600W
Specifications
-Capacity 1600W
-Efficiency rating 80 PLUS TitaÂnium
-Form factor ATX
-Modularity Full
-Warranty 10 year
Best high end PSU. When it comes to measurable properties such as efficiency, voltage stability or performance, the AX1600i delivers top values in an impressive number of disciplines. The resulting overall package can therefore be rated as one of the best, if not the "best" power supply from a performance point of view.
Pros
+ Excellent efficiency over the entire load range
+ Corsair Link interface for monitoring and configuration
+ 10 year manufacturer's warranty
+ flexible fan control with semi-passive operation
+ High-quality capacitors installed
Cons
- Expensive
10. Cooler Master MasterWatt 550W
Specifications
-Capacity 550W
-Efficiency rating 80 PLUS Bronze
-Form factor ATX
-Modularity Semi
-Warranty 5 year
Best budget PSU. The Cooler Master Masterwatt 550 W power supply with an 80-plus bronze certification does what it promises: decent efficiency values and quite quiet operation. This semi-modular voltage converter is well worth a recommendation, thanks to low noise and semi-passive mode.
Pros
+ Stable voltages
+ Semi-fanless operation
+ (part)modular cable management
+ 5 Years Warranty
+ All protection circuits available
Cons
- Fan easily audible under full load
11. Corsair SF750 750W
Specifications
-Capacity 750W
-Efficiency rating 80 PLUS Platinum
-Form factor SFX, EPS 2.92
-Modularity Full
-Warranty 7 year
Best SFX PSU. If you are looking for a power supply that must be as small as possible, but at the same time bring maximum performance, the Corsair SF750 80 Plus Platinum SFX is the best choice. In an almost magical way, Corsair has also made room for a fully modular cable interface.
Pros
+ Stable performance
+ A lot of power in a small form factor
+ Fully modular design
+ 7 Years Warranty
Cons
- Noise level under heavy load
- Price