Hardware Spec Index

Zephyra PW-5477 Max 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW5477-MAX · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,383 (Power Supplies scale)
Category rank#16,859
Street price$89
Power850 W (rated)
Performance per dollar15.54
Released2019

Specifications

BrandZephyra
ModelZephyra PW-5477 Max
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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Teralux PW-5997 Core 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,801$379Compare
Novexa PW-4753 Edge 650W 80 PLUS Bronze ATX 3.0 Power Supply789$39Compare
Caldera PW-9074 Core 1200W 80 PLUS Titanium ATX Power Supply2,661$289Compare
Zephyra PW-5954 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,653$139Compare
Teralux PW-9849 XT 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,759$319Compare
Caldera PW-5111 Plus 1200W 80 PLUS Gold ATX 3.1 Power Supply2,232$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5477 Max 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/28296046 (accessed 2026-10-19).