Hardware Spec Index

Novexa PW-5291 Plus 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW5291-PLUS · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,362 (Power Supplies scale)
Category rank#38,149
Street price$99
Power850 W (rated)
Performance per dollar13.76
Released2024

Specifications

BrandNovexa
ModelNovexa PW-5291 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
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-2816 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply891$39Compare
Zephyra PW-1010 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,741$309Compare
Vantrel PW-1097 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply1,611$119Compare
Caldera PW-4672 Edge 1600W 80 PLUS Titanium ATX Power Supply2,796$359Compare
Zephyra PW-7080 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,085$189Compare
Vantrel PW-8049 Ti 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,398$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5291 Plus 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/96828007 (accessed 2026-10-25).