Hardware Spec Index

Novexa PW-8503 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW8503-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,779 (Power Supplies scale)
Category rank#44,701
Street price$129
Power1000 W (rated)
Performance per dollar13.79
Released2024

Specifications

BrandNovexa
ModelNovexa PW-8503 Ultra
Rated output1,000 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-pin3×
Form factorATX
ModularityFully modular
Fan140 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-8070 Ultra 1300W 80 PLUS Platinum ATX Power Supply2,302$259Compare
Zephyra PW-1467 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply1,990$189Compare
Vantrel PW-7301 Pro 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,449$239Compare
Teralux PW-8598 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,211$199Compare
Novexa PW-2815 Edge 1300W 80 PLUS Titanium ATX Power Supply2,345$219Compare
Caldera PW-6500 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,631$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8503 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/389101 (accessed 2026-10-20).