Hardware Spec Index

Zephyra PW-7731 Plus 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW7731-PLUS · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,602 (Power Supplies scale)
Category rank#14,611
Street price$129
Power850 W (rated)
Performance per dollar12.42
Released2025

Specifications

BrandZephyra
ModelZephyra PW-7731 Plus
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 factorSFX-L
ModularityFully modular
Fan120 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
Vantrel PW-2341 Ti 850W 80 PLUS Bronze ATX 3.1 Power Supply1,448$99Compare
Caldera PW-3892 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply706$39Compare
Vantrel PW-4083 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,727$159Compare
Caldera PW-7944 Ultra 550W 80 PLUS Bronze SFX Power Supply967$49Compare
Novexa PW-7622 SE 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,669$339Compare
Vantrel PW-1826 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,854$379Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7731 Plus 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/7033424 (accessed 2026-10-26).