Hardware Spec Index

Zephyra PW-6904 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW6904-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,278 (Power Supplies scale)
Category rank#1,744
Street price$79
Power850 W (rated)
Performance per dollar16.18
Released2022

Specifications

BrandZephyra
ModelZephyra PW-6904 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4474 Edge 750W 80 PLUS Bronze ATX 3.1 Power Supply1,043$49Compare
Novexa PW-2075 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,695$129Compare
Vantrel PW-7389 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,567$109Compare
Teralux PW-2043 Pro 750W 80 PLUS Gold ATX 3.1 Power Supply1,475$99Compare
Zephyra PW-7477 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,652$119Compare
Caldera PW-2466 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply857$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6904 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/1749006 (accessed 2026-10-19).