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Best ASUS Power Supplies: Top Picks for 2023
Buyer's Guide · Comparison

Best ASUS Power Supplies: Top Picks for 2023

Updated 10 June 20263 min read2 compared

Discover the best ASUS power supplies and alternatives with our comprehensive roundup. From high-performance to budget-friendly options, find the ideal power supply for your gaming rig.

As an Amazon Associate, we may earn from qualifying purchases. Our ranking is independent.

Our picks, ranked

Why our top pick beat the field, plus the rest of the asus power supplies: top picks for 2023 we tested.

Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Po...

Editorial 8.5/10Amazon 4.7/5 · 504£92.16
Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Po...

The strongest asus power supplies: top picks for 2023 we tested. Best balance of price, performance and UK availability of the 2 we evaluated.

Reasons to buy

  • Genuinely quiet operation with effective zero RPM mode during light use
  • Premium Japanese capacitors rated 105°C for 8-10 year lifespan
  • Excellent voltage regulation at ±1.2% across all load conditions

Reasons to skip

  • No native PCIe 5.0 12VHPWR connector for RTX 4090 compatibility
  • Cable quality functional rather than premium, lacks individual sleeving
02

Rank 02 · Runner up

JUSTOP Black 750W PSU, Switching Power Supply, Computer D...

JUSTOP Black 750W PSU, Switching Power Supply, Computer D...
Editorial 6.5/10Amazon 4.2/5

£32.95

Reasons to buy

  • Exceptional value at £32.95, one of cheapest 750W PSUs available
  • Essential protection features included: OVP, OPP, SCP, thermal overload

Reasons to skip

  • No 80 Plus efficiency rating means 70-75% efficiency, higher electricity costs
  • Non-modular cables create significant cable management challenges

How we tested

Why trust this ranking

  • Editor notes from real reviews, not press releases.
  • Live UK pricing, refreshed from Amazon twice daily.
  • Affiliate commission doesn't change what wins.

Independent UK tech editorial — no paid placements.

Read our process ↓

How we picked

Our editors evaluated 2 Comparisons options against the criteria readers actually weigh up: price, real-world performance, build quality, warranty, and UK availability. Picks lean toward what we'd recommend to a friend buying today, not specs-on-paper winners.

  • Hands-on contextEditor notes from individual reviews, not press releases.
  • Live UK pricingRefreshed from Amazon UK twice daily.
  • No paid placementsAffiliate commission doesn't change what wins.
In a search for the best ASUS power supplies, we take a look at three notable alternatives: the Corsair RM850x, JUSTOP Black 750W PSU, and the 51RISC GeForce GTX 1660 Super Graphics Card. While the 51RISC is primarily a graphics card, the Corsair and JUSTOP models are power supplies, with the former offering premium performance and the latter great value. This roundup will help you decide which is best suited for your build.

Best ASUS Power Supplies: A Comprehensive Roundup

While ASUS offers some excellent power supplies, today we are examining three alternative products that have made a significant impact in the market. Choosing the right power supply for your PC build is crucial for performance and reliability. So, without further ado, let's look at the details of each product.

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

Corsair RM850x Power Supply: Ultimate Gaming Rig Performance

The Corsair RM850x is revered for its high efficiency and whisper-quiet operation., this power supply unit is an excellent choice for those building a high-performance gaming rig. Its 850W power output provides robust support for demanding components.

Pros:

  • High efficiency and performance.
  • Silent operation due to a zero RPM fan mode.
  • Excellent build quality with Japanese capacitors.

Cons:

  • Higher price point.
  • Overkill for non-gaming builds.

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

The JUSTOP Black 750W PSU is a budget-friendly option. Despite its lower price, it offers a decent 750W output, making it suitable for mid-range gaming builds.

Pros:

  • Extremely affordable.
  • Good power output for the price.
  • Decent build for budget systems.

Cons:

  • Less efficient compared to high-end models.
  • Limited features and basic design.

51RISC GeForce GTX 1660 Super Graphics Card

While not a power supply, the 51RISC GeForce GTX 1660 Super is a noteworthy mention. This graphics card,, is aimed at gamers seeking high performance without breaking the bank.

Pros:

  • Excellent gaming performance.
  • Great value for the performance offered.
  • Supports modern games at high settings.

Cons:

  • Not a power supply unit.
  • Higher tdp-vs-actual-draw" class="vae-glossary-link" data-term="tdp-vs-actual-draw">power consumption.

Final Verdict: best asus 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.

Frequently Asked Questions

While ASUS offers great options, the Corsair RM850x is a top contender for high-performance builds.

Yes, it is a reliable budget option for mid-range gaming systems.

Absolutely, it provides excellent performance for modern games.

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