Hardware Spec Index

Novexa PW-3133 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW3133-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index956 (Power Supplies scale)
Category rank#10,233
Street price$49
Power550 W (rated)
Performance per dollar19.51
Released2021

Specifications

BrandNovexa
ModelNovexa PW-3133 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-8584 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,840$329Compare
Zephyra PW-8061 Edge 750W 80 PLUS Gold ATX 3.0 Power Supply1,000$49Compare
Novexa PW-2068 Prime 1600W 80 PLUS Gold ATX 3.0 Power Supply2,686$319Compare
Novexa PW-2005 Max 1000W 80 PLUS Gold SFX Power Supply2,206$199Compare
Zephyra PW-2333 Edge 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,571$299Compare
Teralux PW-6015 XT 850W 80 PLUS Platinum ATX 3.0 Power Supply1,959$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3133 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/72046578 (accessed 2026-10-19).