Hardware Spec Index

Novexa PW-7490 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW7490-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,101 (Power Supplies scale)
Category rank#32,154
Street price$59
Power550 W (rated)
Performance per dollar18.66
Released2021

Specifications

BrandNovexa
ModelNovexa PW-7490 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
ModularityNon-modular
Fan140 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
Vantrel PW-5112 Max 550W 80 PLUS Bronze ATX Power Supply887$39Compare
Caldera PW-4135 Pro 1000W 80 PLUS Platinum ATX Power Supply1,930$149Compare
Novexa PW-3177 Plus 850W 80 PLUS Gold SFX Power Supply1,486$79Compare
Vantrel PW-6602 XT 550W 80 PLUS Gold ATX 3.0 Power Supply1,012$49Compare
Novexa PW-8443 Core 1000W 80 PLUS Gold ATX Power Supply2,258$229Compare
Teralux PW-9998 XT 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,877$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7490 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/5610045 (accessed 2026-10-19).