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Head-to-head · Best 850w Power Supplies

EVGA SuperNOVA 850 G7 vs Seasonic Focus PX-850

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

The short answer

EVGA SuperNOVA 850 G7 comes out ahead by a clear margin (4.4 vs 4.1). The gap is mostly about fit for purpose — read the strengths below before deciding.

EVGA SuperNOVA 850 G7
Higher ratedRanked #3 in Best 850w Power Supplies
EVGA SuperNOVA 850 G7

The EVGA SuperNOVA 850 G7 delivers high performance in a compact form factor, according to Tom's Hardware and Hardware Busters reviews. It offers excellent efficiency and build quality while maintaining reliable operation under load. However, it lacks PCIe 5.0 support and suffers from high inrush currents. This PSU is ideal for gamers seeking a powerful yet space-saving solution, though those requiring latest-generation PCIe connectors may need to 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 shi.comFull review →
Seasonic Focus PX-850
Ranked #7 in Best 850w Power Supplies
Seasonic Focus PX-850
$345as of Jul 8

The Seasonic Focus PX-850 is a high-quality 850W Platinum power supply that delivers excellent efficiency and reliability. Reviewers praised its fully modular design, high-grade Japanese capacitors, and Fluid Dynamic Bearing fan with customizable cooling modes. The unit offers a single +12V rail capable of 70A and comes with a 10-year warranty, setting it apart from competitors. While it's priced competitively at around $140, it remains more expensive than some budget alternatives. This PSU is ideal for enthusiasts and professionals seeking premium build quality and long-term reliability, though budget-conscious users might find better value elsewhere.

Strengths
  • — 80+ Platinum efficiency rating with 92% efficiency at 50% load
  • — Fully modular design with flat black cables for improved airflow
  • — Fluid Dynamic Bearing (FDB) fan with three operational stages: Fanless, Silent, and Cooling Mode
Watch-outs
  • — Price is still higher than some budget alternatives despite being $20-$40 cheaper than competitors
  • — Small 140mm footprint may not fit all cases with tight space constraints
$345 · Check Price on AmazonFull review →

Specs side-by-side

SpecEVGA SuperNOVA 850 G7Seasonic Focus PX-850
Wattage850W850W
EfficiencyCybenetics Platinum (89-91%), 80 PLUS Gold80+ Platinum
Form FactorATX12V v2.52Intel ATX 12 V
ModularityFully modularFully Modular
Fan Size120mm120mm FDB
Warranty10-year10 Years
Connectors2x EPS, 6x PCIe 6+2 pin, 9 SATA, 4x Molex, 1x FDD20+4Pin, 2 x 4/8 Pin CPU, 6 x 6+2 pin PCIe, 10 x SATA
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