Hardware Spec Index

Zephyra PW-4957 Max 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4957-MAX · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index1,697 (Power Supplies scale)
Category rank#11,283
Street price$129
Power850 W (rated)
Performance per dollar13.16
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4957 Max
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Novexa PW-2113 Prime 650W 80 PLUS Bronze ATX Power Supply702$39Compare
Novexa PW-1210 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply850$39Compare
Teralux PW-2739 Max 550W 80 PLUS Gold ATX Power Supply1,194$59Compare
Caldera PW-5824 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,561$119Compare
Teralux PW-9716 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,480$89Compare
Zephyra PW-5132 Ultra 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,892$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4957 Max 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/16005185 (accessed 2026-10-18).