Hardware Spec Index

Novexa PW-4276 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW4276-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,960 (Power Supplies scale)
Category rank#32,633
Street price$159
Power1000 W (rated)
Performance per dollar12.33
Released2023

Specifications

BrandNovexa
ModelNovexa PW-4276 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
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
Caldera PW-2038 Pro 650W 80 PLUS Gold SFX Power Supply1,245$79Compare
Teralux PW-4974 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply1,289$79Compare
Vantrel PW-9546 Pro 550W 80 PLUS Gold SFX Power Supply902$39Compare
Zephyra PW-8944 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,574$319Compare
Zephyra PW-8063 Ti 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,659$319Compare
Zephyra PW-5154 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply737$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4276 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/92637352 (accessed 2026-10-26).