Hardware Spec Index

Zephyra PW-9931 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW9931-PLUS · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,858 (Power Supplies scale)
Category rank#35,423
Street price$149
Power850 W (rated)
Performance per dollar12.47
Released2023

Specifications

BrandZephyra
ModelZephyra PW-9931 Plus
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
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
Zephyra PW-2701 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,525$99Compare
Zephyra PW-2865 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,233$59Compare
Caldera PW-5605 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,798$339Compare
Vantrel PW-9373 Ti 750W 80 PLUS Bronze ATX 3.1 Power Supply1,464$89Compare
Vantrel PW-5214 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,685$359Compare
Vantrel PW-8456 Edge 650W 80 PLUS Gold SFX Power Supply1,008$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9931 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/15748321 (accessed 2026-10-20).