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Best Fractal Design Power Supplies Under £300 – Top Picks 2023

Comparisons · Bench tested

Best Fractal Design Power Supplies Under £300 – Top Picks 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

Searching for the best Fractal Design power supplies under £300? While our comparison includes a mix of brands, the Corsair RM850x stands out for its performance and value, offering a robust power solution for gaming rigs. For those on a tighter budget, the JUSTOP Black 750W is a cost-effective choice. Explore our detailed comparison to find the right power supply for your needs.

Power Supplies Comparison Table

Product Brand Price Rating
Corsair RM850x Power Supply Corsair £144.00 4.7
JUSTOP Black 750W PSU JUSTOP £32.95 4.2
51RISC GeForce GTX 1660 Super Graphics Card 51RISC £194.98 4.1

Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review

Corsair RM850x Power Supply: Ultimate Gaming Rig Performance Review

The Corsair RM850x is a powerhouse in the realm of power supplies, delivering 850 watts of reliable power for even the most demanding gaming rigs. Priced at £144.00, it provides an excellent balance of cost and performance, making it an attractive option for gamers looking to push their systems to the limit. With a high rating of 4.7 out of 5, it is lauded for its efficiency and quiet operation. For more details, check our full review.

Pros & Cons

  • Pros: High efficiency, quiet operation, excellent build quality
  • Cons: Slightly expensive compared to budget options

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

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

The JUSTOP Black 750W PSU is an ideal choice for those who are budget-conscious but still want reliable performance. At just £34.95, this power supply offers decent power output for most mid-range gaming PCs. It has a rating of 4.2 out of 5, making it a popular choice among entry-level builders. For more insights, read our detailed review.

Pros & Cons

  • Pros: Affordable, good for budget builds
  • Cons: Not as efficient as higher-end models

51RISC GeForce GTX 1660 Super Graphics Card

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

While not a power supply, the 51RISC GeForce GTX 1660 Super Graphics Card is worth mentioning for gamers upgrading their setups. Priced at £173.67, it offers excellent graphics performance for those looking to enhance their visual experience. It holds a rating of 4.2 out of 5. For a comprehensive analysis, visit our review.

Pros & Cons

  • Pros: Great graphics performance, good for gaming setups
  • Cons: Not a power supply

Final Verdict: best fractal design power supplies under £300

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
  • Amazon 30-Day Returns: Not happy? Return it hassle-free
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Free returns · Price checked March 2026

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Frequently Asked Questions

The Corsair RM850x is highly recommended for gaming PCs due to its high efficiency and reliability.

Budget power supplies like the JUSTOP Black 750W can be reliable for entry-level or mid-range builds but may lack the efficiency and features of higher-end models.

Efficiency is crucial as it determines how much power is drawn from the wall and how much is converted into usable energy for your PC, affecting both performance and electricity costs.