Hardware Spec Index

Zephyra PW-2951 Max 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW2951-MAX · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,508 (Power Supplies scale)
Category rank#48,868
Street price$89
Power850 W (rated)
Performance per dollar16.94
Released2020

Specifications

BrandZephyra
ModelZephyra PW-2951 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
Novexa PW-6767 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,313$199Compare
Novexa PW-3189 Prime 650W 80 PLUS Bronze SFX Power Supply1,008$49Compare
Caldera PW-8813 Ultra 1000W 80 PLUS Gold SFX Power Supply1,624$129Compare
Caldera PW-3578 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,549$269Compare
Teralux PW-8947 Ultra 850W 80 PLUS Gold ATX Power Supply2,154$199Compare
Teralux PW-9414 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,265$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2951 Max 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/42321351 (accessed 2026-10-20).