Hardware Spec Index

Zephyra PW-4191 Plus 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW4191-PLUS · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index1,782 (Power Supplies scale)
Category rank#45,953
Street price$129
Power850 W (rated)
Performance per dollar13.81
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4191 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 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
Caldera PW-4951 Ti 850W 80 PLUS Gold SFX Power Supply1,996$179Compare
Vantrel PW-7349 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply993$49Compare
Novexa PW-5055 Ti 650W 80 PLUS Bronze ATX 3.0 Power Supply1,011$49Compare
Caldera PW-5071 Prime 650W 80 PLUS Bronze SFX Power Supply849$49Compare
Zephyra PW-3078 Edge 650W 80 PLUS Bronze ATX 3.1 Power Supply1,029$49Compare
Vantrel PW-8831 Max 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,929$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4191 Plus 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/77792702 (accessed 2026-10-27).