Head-to-head · Best 850w Power Supplies

Corsair RM850e vs EVGA SuperNOVA 850 G7

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

EVGA SuperNOVA 850 G7 comes out ahead by a narrow margin (4.2 vs 4.4). The gap is mostly about fit for purpose — read the strengths below before deciding.

Ranked #4 in Best 850w Power Supplies

Corsair RM850e

4.2

3 sources1 derived$119as of Jul 31

The Corsair RM850e is an affordable ATX 3.0 unit that performs solidly, with efficiency and a fully modular layout in its favor. Tech4Gamers reviewer Arsalan Shakil credited it with 'impressive efficiency and acceptable voltage regulation' even with non-Japanese capacitors and no native 12VHPWR connector. KitGuru's Allan 'Zardon' Campbell praised the quiet rifle-bearing fan and the soldering quality, but listed the 7-year warranty among the unit's shortcomings. That missing 12VHPWR connector is the catch for anyone running a high-end graphics card.

Strengths

— High efficiency with 90% efficiency rating
— Fully modular cabling for clean builds
— 7-year warranty for peace of mind

Watch-outs

— No native 12VHPWR connector for latest GPUs
— Uses non-Japanese capacitors

$119 · Check Price on Amazon Full review →

Higher ratedRanked #3 in Best 850w Power Supplies

EVGA SuperNOVA 850 G7

4.4

4 sources2 derived

Tom's Hardware and Hardware Busters both rate the EVGA SuperNOVA 850 G7 highly for the performance it packs into a compact body. Efficiency and build quality hold up, and it stays reliable under load. What it lacks is PCIe 5.0 support, and reviewers measured high inrush currents. Gamers who need power in a space-saving footprint should buy; anyone who needs latest-generation PCIe connectors should look elsewhere.

Strengths

— Full power at 47 degrees Celsius
— Top overall performance
— Good build quality

Watch-outs

— No PCIe 5.0 connectors
— High inrush currents

Buy at walmart.com Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

Specs side-by-side

Spec	Corsair RM850e	EVGA SuperNOVA 850 G7
Wattage	850W	850W
Efficiency	ATX 3.0	Cybenetics Platinum (89-91%), 80 PLUS Gold
Modularity	Fully	Fully modular
Fan Size	120mm rifle bearing	120mm
Form Factor	ATX Form Factor	ATX12V v2.52
Warranty	Seven-year	10-year
Compliance	80 PLUS Gold	80 PLUS Gold
Connectors	—	2x EPS, 6x PCIe 6+2 pin, 9 SATA, 4x Molex, 1x FDD

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