Hardware Spec Index

Zephyra PW-4274 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4274-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,755 (Power Supplies scale)
Category rank#281
Street price$129
Power850 W (rated)
Performance per dollar13.60
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4274 Pro
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
Fan140 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
Vantrel PW-4626 XT 650W 80 PLUS Gold ATX 3.1 Power Supply861$39Compare
Caldera PW-2469 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply889$39Compare
Caldera PW-5480 Ultra 1000W 80 PLUS Gold ATX Power Supply2,264$219Compare
Vantrel PW-6978 Core 850W 80 PLUS Gold ATX Power Supply1,595$99Compare
Caldera PW-5676 Core 650W 80 PLUS Bronze ATX 3.0 Power Supply1,048$49Compare
Teralux PW-5318 Prime 850W 80 PLUS Gold ATX Power Supply1,800$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4274 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/106629 (accessed 2026-10-20).