Hardware Spec Index

Novexa PW-4142 Prime 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW4142-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,133 (Power Supplies scale)
Category rank#19,864
Street price$59
Power550 W (rated)
Performance per dollar19.20
Released2021

Specifications

BrandNovexa
ModelNovexa PW-4142 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 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
Teralux PW-1634 Edge 1000W 80 PLUS Titanium ATX Power Supply2,386$279Compare
Zephyra PW-1317 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,240$269Compare
Vantrel PW-7311 Core 850W 80 PLUS Platinum ATX Power Supply2,051$189Compare
Teralux PW-5949 XT 650W 80 PLUS Gold ATX Power Supply888$39Compare
Caldera PW-4370 Edge 850W 80 PLUS Gold ATX Power Supply1,634$109Compare
Caldera PW-8092 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply1,996$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4142 Prime 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/7969960 (accessed 2026-10-23).