Hardware Spec Index

Novexa PW-7981 SE 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW7981-SE · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index2,001 (Power Supplies scale)
Category rank#4,026
Street price$169
Power850 W (rated)
Performance per dollar11.84
Released2026

Specifications

BrandNovexa
ModelNovexa PW-7981 SE
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-1708 XT 1600W 80 PLUS Titanium ATX Power Supply2,980$379Compare
Caldera PW-3096 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,786$119Compare
Teralux PW-1796 XT 650W 80 PLUS Gold ATX 3.0 Power Supply1,300$69Compare
Zephyra PW-2252 Max 550W 80 PLUS Gold SFX Power Supply1,122$59Compare
Novexa PW-1934 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply874$39Compare
Novexa PW-4075 Ti 1000W 80 PLUS Titanium SFX Power Supply2,372$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7981 SE 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/7614822 (accessed 2026-10-20).