Hardware Spec Index

Novexa PW-1157 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW1157-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index926 (Power Supplies scale)
Category rank#49,699
Street price$49
Power550 W (rated)
Performance per dollar18.90
Released2022

Specifications

BrandNovexa
ModelNovexa PW-1157 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-4275 SE 1200W 80 PLUS Titanium ATX Power Supply2,469$269Compare
Teralux PW-3484 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,453$109Compare
Caldera PW-5552 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,801$139Compare
Caldera PW-4919 SE 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,793$399Compare
Zephyra PW-1697 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,862$399Compare
Vantrel PW-8491 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,738$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-1157 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/33702457 (accessed 2026-10-25).