Hardware Spec Index

Novexa PW-5171 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW5171-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index741 (Power Supplies scale)
Category rank#33,249
Street price$39
Power550 W (rated)
Performance per dollar19.00
Released2026

Specifications

BrandNovexa
ModelNovexa PW-5171 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-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-1846 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply2,002$179Compare
Teralux PW-1816 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,753$119Compare
Vantrel PW-4922 Ultra 1200W 80 PLUS Gold ATX 3.0 Power Supply2,187$199Compare
Novexa PW-1499 SE 1200W 80 PLUS Gold ATX 3.1 Power Supply2,104$199Compare
Novexa PW-2488 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,250$189Compare
Zephyra PW-4161 Prime 1000W 80 PLUS Gold SFX Power Supply1,837$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5171 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/3577652 (accessed 2026-10-19).