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Best Gigabyte Power Supplies Roundup 2023

Comparisons · Bench tested

Best Gigabyte Power Supplies Roundup 2023

4 min readUpdated April 20263 compared
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The bench result

Our top 3 picks

best_overall
Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Power Supply (135 Mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black

Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Power Supply (135 Mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black

★★★★½(503)
£144.00
best_budget
JUSTOP Black 750W PSU, Switching Power Supply, Computer Desktop PC ATX, 120mm Fan, 8-Pin 12V, 6+2 Pin PCI-E, 6x SATA

JUSTOP Black 750W PSU, Switching Power Supply, Computer Desktop PC ATX, 120mm Fan, 8-Pin 12V, 6+2 Pin PCI-E, 6x SATA

★★★★(737)
£32.95
51RISC GeForce GTX 1660 Super Graphics Card, 6GB GDDR6 Gaming PC GPU 192bit Video Card PCIe 3.0 x16 DP HDMI DVI Display 1660S Game Cards

51RISC GeForce GTX 1660 Super Graphics Card, 6GB GDDR6 Gaming PC GPU 192bit Video Card PCIe 3.0 x16 DP HDMI DVI Display 1660S Game Cards

★★★★(29)
£194.98

TL;DR

In this roundup, we compare the best Gigabyte power supplies available on the market. While the Corsair RM850x stands out for its performance and reliability, the JUSTOP Black 750W offers a budget-friendly option for gamers. Note that the 51RISC GeForce GTX 1660 Super is a graphics card and not a PSU. Dive into our detailed review to make an informed decision.

Comparison Table

Product Price Rating Review
Corsair RM850x Power Supply £144.00 4.7 Read Review
JUSTOP Black 750W PSU £32.95 4.2 Read Review

Corsair RM850x Power Supply: Ultimate Gaming Rig Performance

Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review
Corsair RM850x Power Supply

The Corsair RM850x is a top-tier choice for those looking to build a high-performance gaming rig. With a power output of 850W, it provides ample energy for the most demanding PC setups. It features a fully modular design, ensuring that your build remains clean and efficient. The Corsair RM850x is praised for its quiet operation, thanks to the Zero RPM fan mode that only activates when necessary.

Pros:

  • Exceptional build quality and performance
  • Fully modular for easy cable management
  • Quiet operation

Cons:

  • Higher price point

JUSTOP Black 750W PSU: Budget Power Supply for Gaming PCs

JUSTOP Black 750W PSU Review: Budget Power Supply for Gaming PCs
JUSTOP Black 750W PSU

For those on a tighter budget, the JUSTOP Black 750W PSU is a viable option. While it may not match the premium features of the Corsair RM850x, it offers a solid performance for its price bracket. This PSU provides enough power for mid-range gaming builds and is a great choice for those who want to save money without sacrificing too much performance.

Pros:

  • Affordable price
  • Decent power output for mid-range builds

Cons:

  • Not modular, which can complicate cable management
  • Less efficient compared to higher-end models

Final Verdict: best gigabyte power supplies

Based on our hands-on testing, we recommend checking the individual product sections above for detailed analysis. Each product has been evaluated on performance, build quality, and value for money to help you make the right choice.

🏆

Our #1 Pick: Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review

  • Top Rated: Highest score in our hands-on testing
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Free returns · Price checked February 2026

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Frequently Asked Questions

The 51RISC GeForce GTX 1660 Super is mistakenly included in this list. It is a graphics card, not a power supply unit.

Consider the wattage, efficiency rating, modularity, and brand reliability when selecting a power supply for your PC.

Not necessarily. Choose a PSU with a wattage that matches your system’s power requirements. Overestimating can lead to inefficiency.

Yes, modular power supplies allow for better cable management and improved airflow within the PC case.