Hardware Spec Index

Novexa PW-5303 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW5303-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,606 (Power Supplies scale)
Category rank#27,728
Street price$109
Power850 W (rated)
Performance per dollar14.73
Released2025

Specifications

BrandNovexa
ModelNovexa PW-5303 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
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
Teralux PW-5950 Ti 1000W 80 PLUS Titanium ATX Power Supply2,355$209Compare
Caldera PW-3859 Ultra 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,446$319Compare
Caldera PW-6897 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply1,854$159Compare
Novexa PW-9633 Core 550W 80 PLUS Gold ATX 3.1 Power Supply909$49Compare
Teralux PW-9838 XT 650W 80 PLUS Gold ATX 3.0 Power Supply1,080$59Compare
Zephyra PW-3044 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,900$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5303 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/8314839 (accessed 2026-10-22).