Hardware Spec Index

Zephyra PW-4955 Max 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4955-MAX · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,982 (Power Supplies scale)
Category rank#25,310
Street price$199
Power850 W (rated)
Performance per dollar9.96
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4955 Max
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5990 Ti 550W 80 PLUS Bronze ATX 3.1 Power Supply858$39Compare
Zephyra PW-9446 Edge 750W 80 PLUS Gold ATX Power Supply1,402$79Compare
Teralux PW-7343 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,555$99Compare
Novexa PW-6595 XT 1600W 80 PLUS Gold ATX 3.1 Power Supply2,465$289Compare
Zephyra PW-3934 Core 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,980$339Compare
Zephyra PW-7645 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply1,840$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4955 Max 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/3065508 (accessed 2026-10-21).