TOP 10. Best PSUs of 2021

Over time, components will become much more affordable, power supplies are no exception. For $ 100, you can take a 750W model even with an 80 PLUS Gold certificate. This is exactly what I got myself after my served seven years. Previously used 80 PLUS Bronze …

This article contains only the top best power supplies of 2021. In the model range, you can choose a power supply from 450 to 1000 watts. Choose “gold”, or even better “platinum” models. They received not only better components, but also significantly higher efficiency.

Content:

  • Best 550, 650, 750 and 850 Watt PSUs
    • ASUS ROG-STRIX-750G
    • be quiet! Straight Power 11 750W
    • MSI MPG A750GF
    • Thermaltake Toughpower Grand RGB 750W
    • Chieftec Polaris 750W
    • Chieftronic PowerPlay 750W
    • GIGABYTE AORUS P750W
    • Corsair RM750x
    • Cooler Master V Gold V2 750W
    • SeaSonic X-750
  • How to choose a power supply for your computer 2021

Best 550, 650, 750 and 850 Watt PSUs

ASUS ROG-STRIX-750G

ASUS ROG-STRIX-750G

Form Factor: ATX, EPS | Power: 750 W Efficiency: 92% & 80 PLUS Gold | Dimensions: 160x150x86 mm | Fan: 135mm | Protection: OPP, OTP, OVP, SCP, OCP | Modular cable connection

This is a high-quality power supply that’s enough for a gaming PC. ASUS paid attention not only to how the PSU looks from the outside, but also how it looks inside. In the company’s asset, you can choose power supplies from 550 to 1000 W (within the series). It is also worth mentioning the 10-year warranty.

be quiet! Straight Power 11 750W

be quiet!  Straight Power 11 750W

Form Factor: ATX | Power: 750 W Efficiency: 93% & 80 PLUS Gold | Dimensions: 170x150x86  mm | Fan: 135mm | Protection: OCP, OPP, OTP, OVP, SCP, UVP  | Modular cable connection

Be quiet! showed the Straight Power 11 line, 80 PLUS Gold certified models. It includes six units with a capacity from 450 to 1000 W. Modular cable system, quiet fan without passive mode, only Japanese capacitors and a five-year warranty.

MSI MPG A750GF

MSI MPG A750GF

Form Factor: ATX, EPS | Power: 750 W Efficiency: 90% & 80 PLUS Gold | Dimensions: 150x160x86  mm | Fan: 140mm | Protection: OPP, OTP, OVP, SCP, OCP, UVP | Modular cable connection

It is assembled on a high-quality element base with good efficiency, low temperatures and low noise level. Japanese capacitors allowed to give a guarantee for 10 years. Compatibility with video cards from NVIDIA 3000 series is declared. Available in three models 650, 750 and 850 watts.

Thermaltake Toughpower Grand RGB 750W

Thermaltake Toughpower Grand RGB 750W

Form Factor: ATX, EPS | Power: 750 W Efficiency: 92% & 80 PLUS Gold | Dimensions: 160x150x87  mm | Fan: 140mm | Protection: OVP, SCP, OPP, UVP, OTP, OCP | Modular connection

The Toughpower Grand RGB line includes 650W, 750W and 850W units plus Sync Edition models. The cable connection is fully modular; there is a toggle switch that switches the fan controller to active or passive modes. Another 10-year manufacturer’s warranty.

Chieftec Polaris 750W

Chieftec Polaris 750W

Form Factor: ATX | Power: 750 W Efficiency: 92% & 80 PLUS Gold | Dimensions: 140x150x87  mm | Fan: 120mm | Protection: OCP, OPP, OTP, OVP, SCP, SIP, UVP  | Modular connection

Polaris’ mid-range PSU range strikes a balance of quality, features and performance. The models operate at 80 PLUS Gold efficiency and have a modular cable system. Note the Japanese capacitors and the presence of all the necessary protection circuits.

Chieftronic PowerPlay 750W

Chieftronic PowerPlay 750W

Form Factor: ATX, EPS | Power: 750 W Efficiency: 92% & 80 PLUS Gold | Dimensions: 160x150x86  mm | Fan: 140mm | Protection: OCP, OPP, OTP, OVP, SCP, SIP, UVP  | Modular cables

Previously, Chieftec introduced the Chieftronic sub-brand. In the row of power supplies, there are five models of the PowerPlay series: “gold” (550, 650 and 750 W) and “platinum” (850 and 1050 W). Low thermal load, rolling bearing fan and top-end Japanese capacitors.

GIGABYTE AORUS P750W

GIGABYTE AORUS P750W

Form Factor: ATX | Power: 750 W Efficiency: 90% & 80 PLUS Gold | Dimensions: 150x160x86  mm | Fan: 135mm | Protection: OPP, OTP, OVP, SCP, OCP, UVP | Modular cable connection

The name itself indicates the nominal power, the 850W model is still available. We are talking about fully modular “gold” solutions with a full range of protection, exclusively by Japanese capacitors. Plus a high-quality fan and an unrealistic 10-year warranty.

Corsair RM750x

Corsair RM750x

Form Factor: ATX, EPS | Power: 750 W Efficiency: 91% & 80 PLUS Gold | Dimensions: 150x160x86  mm | Fan: 135mm | Protection: OVP, UVP, OVP, SCP, OTP, OPP Only modular connection

RMx Series units provide tight voltage control, quiet operation, 80 PLUS Gold efficiency and modular connectivity. 105 ° C Japanese capacitors make these units an excellent choice. Plus a Zero RPM fan controller.

Cooler Master V Gold V2 750W

Cooler Master V Gold V2 750W

Form Factor: ATX, EPS | Power: 750 W Efficiency: 90% & 80 PLUS Gold | Dimensions: 150x160x86  mm | Fan: 135mm | Protection: OVP, OPP, SCP, OCP, UVP, OTP | Modular connection

Cooler Master previously introduced V Gold V2 PSUs with 550, 650, 750 and 850 watts. High efficiency and stable voltages, over-rated load capacity, quiet cooling system and good cable set.

SeaSonic X-750

SeaSonic X-750

Form Factor: ATX, EPS | Power: 750 W Efficiency: 87% & 80 PLUS Gold | Dimensions: 150x160x86  mm | Fan: 120mm | Protection: OCP, OVP, SCP | Modular cable connection

Testing shows that the SeaSonic X-650 and X-750 power supplies are Platinum rather than Gold. Note the excellent condition of the output power lines under various types of loads. The warranty period of 7 years speaks of high quality.

How to choose a power supply for your computer 2021

Efficiency. With 80 Plus certification, you can instantly assess the efficiency of your power supplies. For example, for 80 PLUS Gold models at 20% load, the efficiency is 90% (50% load – 92% efficiency and 90% load – 89%). Actually, Platinum is even more effective.

#load 20%load 50%load 90%
80 PLUS Titanium94%96%94%
80 PLUS Platinum92%94%90%
80 PLUS Gold90%92%89%
80 PLUS Silver87%90%87%
80 PLUS Bronze85%88%85%

You can also use the calculators of the total power of the PC. You choose all your components and it is also calculated there which power supply is right for you. Plus, keep in mind that power supplies come in different form factors , which means different physical sizes.

Each component of the PC consumes a certain amount of energy. The recommended power supply for the GeForce RTX 3090 is 750 W, and for the Radeon RX 6900 XT is 850 W. For such a system, it is better to take a model with a margin, although the above value already takes it into account.

Conclusion

With power supplies, everything is really simple, especially now. It is the 750 W models that are the golden mean. The 1100W 80 PLUS Platinum unit is available with ample headroom. All the best PSUs of 2021 in our ranking deserve attention.

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