Hardware Spec Index

Zephyra PW-3951 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW3951-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,568 (Power Supplies scale)
Category rank#35,404
Street price$109
Power850 W (rated)
Performance per dollar14.39
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3951 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-3965 SE 550W 80 PLUS Gold ATX 3.0 Power Supply767$39Compare
Vantrel PW-8448 Edge 850W 80 PLUS Platinum ATX 3.0 Power Supply1,912$159Compare
Zephyra PW-8407 Max 1000W 80 PLUS Gold SFX Power Supply2,278$199Compare
Novexa PW-2225 Edge 1600W 80 PLUS Platinum ATX Power Supply2,674$319Compare
Vantrel PW-6131 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,583$129Compare
Teralux PW-2506 Ultra 1600W 80 PLUS Platinum ATX Power Supply2,980$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3951 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7434262 (accessed 2026-10-21).