Hardware Spec Index

Novexa PW-5971 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW5971-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index1,648 (Power Supplies scale)
Category rank#46,728
Street price$139
Power850 W (rated)
Performance per dollar11.86
Released2025

Specifications

BrandNovexa
ModelNovexa PW-5971 Ultra
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 factorATX
ModularityFully modular
Fan135 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
Vantrel PW-8559 Edge 1000W 80 PLUS Gold SFX Power Supply2,327$229Compare
Zephyra PW-8875 Pro 1200W 80 PLUS Gold ATX Power Supply2,239$239Compare
Novexa PW-2799 Prime 1200W 80 PLUS Platinum ATX Power Supply2,092$189Compare
Teralux PW-7091 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,821$159Compare
Vantrel PW-4468 Max 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,353$209Compare
Caldera PW-5571 XT 1600W 80 PLUS Platinum ATX Power Supply2,745$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5971 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/403104 (accessed 2026-10-18).