Hardware Spec Index

Novexa PW-4561 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW4561-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index897 (Power Supplies scale)
Category rank#1,458
Street price$39
Power550 W (rated)
Performance per dollar23.00
Released2020

Specifications

BrandNovexa
ModelNovexa PW-4561 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1837 Ultra 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,764$359Compare
Zephyra PW-8480 Edge 1600W 80 PLUS Platinum ATX Power Supply2,788$319Compare
Novexa PW-9581 SE 1000W 80 PLUS Gold SFX Power Supply1,692$109Compare
Caldera PW-1891 Pro 650W 80 PLUS Gold ATX 3.0 Power Supply705$39Compare
Vantrel PW-9919 SE 750W 80 PLUS Bronze ATX 3.1 Power Supply1,263$69Compare
Vantrel PW-6616 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,658$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4561 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/14514756 (accessed 2026-10-21).