Hardware Spec Index

Zephyra PW-9391 Pro 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW9391-PRO · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,787 (Power Supplies scale)
Category rank#22,891
Street price$159
Power850 W (rated)
Performance per dollar11.24
Released2026

Specifications

BrandZephyra
ModelZephyra PW-9391 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 factorSFX-L
ModularityFully modular
Fan120 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
Teralux PW-5873 Edge 650W 80 PLUS Gold ATX Power Supply1,225$69Compare
Vantrel PW-3377 Prime 650W 80 PLUS Bronze SFX Power Supply868$39Compare
Caldera PW-1540 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply2,386$239Compare
Novexa PW-5314 Max 1200W 80 PLUS Platinum ATX Power Supply2,322$289Compare
Teralux PW-6412 Edge 1000W 80 PLUS Gold SFX Power Supply2,294$209Compare
Vantrel PW-9519 Max 1200W 80 PLUS Gold ATX 3.0 Power Supply2,208$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9391 Pro 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/32322504 (accessed 2026-10-23).