Hardware Spec Index

Novexa PW-8991 Plus 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW8991-PLUS · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,800 (Power Supplies scale)
Category rank#48,283
Street price$139
Power850 W (rated)
Performance per dollar12.95
Released2026

Specifications

BrandNovexa
ModelNovexa PW-8991 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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5397 Plus 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,764$379Compare
Caldera PW-5109 Edge 1200W 80 PLUS Gold ATX 3.1 Power Supply2,074$219Compare
Zephyra PW-2249 SE 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,333$219Compare
Zephyra PW-2156 Max 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,612$319Compare
Zephyra PW-2652 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply830$39Compare
Novexa PW-6342 Plus 1000W 80 PLUS Gold ATX Power Supply2,096$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8991 Plus 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/22551361 (accessed 2026-10-26).