Hardware Spec Index

Zephyra PW-8731 XT 850W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW8731-XT · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,420 (Power Supplies scale)
Category rank#4,398
Street price$79
Power850 W (rated)
Performance per dollar17.97
Released2024

Specifications

BrandZephyra
ModelZephyra PW-8731 XT
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityNon-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
Novexa PW-6459 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,896$139Compare
Vantrel PW-8144 Prime 850W 80 PLUS Gold ATX Power Supply1,391$69Compare
Caldera PW-1208 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,374$89Compare
Zephyra PW-7871 Prime 550W 80 PLUS Gold SFX Power Supply806$39Compare
Zephyra PW-1086 Plus 550W 80 PLUS Bronze ATX Power Supply871$39Compare
Novexa PW-6166 Ultra 1000W 80 PLUS Titanium SFX Power Supply2,437$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8731 XT 850W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/28029021 (accessed 2026-10-23).