Hardware Spec Index

Novexa PW-7991 Ultra 1000W 80 PLUS Platinum ATX Power Supply

Power Supplies · Novexa · SKU PW7991-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index2,541 (Power Supplies scale)
Category rank#38,252
Street price$299
Power1000 W (rated)
Performance per dollar8.50
Released2021

Specifications

BrandNovexa
ModelNovexa PW-7991 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-6578 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,575$369Compare
Teralux PW-5832 Prime 1300W 80 PLUS Titanium ATX Power Supply2,366$239Compare
Zephyra PW-5405 Ti 1000W 80 PLUS Gold ATX Power Supply2,480$269Compare
Vantrel PW-8552 Ultra 550W 80 PLUS Gold ATX 3.0 Power Supply785$39Compare
Vantrel PW-1847 SE 650W 80 PLUS Gold ATX 3.1 Power Supply1,299$79Compare
Zephyra PW-6996 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,452$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7991 Ultra 1000W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/97276562 (accessed 2026-10-18).