Hardware Spec Index

Novexa PW-8658 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW8658-XT · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index836 (Power Supplies scale)
Category rank#16,767
Street price$39
Power550 W (rated)
Performance per dollar21.44
Released2021

Specifications

BrandNovexa
ModelNovexa PW-8658 XT
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
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-4332 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply1,246$69Compare
Vantrel PW-8756 Prime 1300W 80 PLUS Gold ATX Power Supply2,395$249Compare
Teralux PW-5500 Plus 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,980$359Compare
Vantrel PW-5571 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,505$109Compare
Novexa PW-2422 XT 550W 80 PLUS Gold ATX 3.1 Power Supply1,012$49Compare
Vantrel PW-1120 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply1,094$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-8658 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/91786283 (accessed 2026-10-20).