Hardware Spec Index

Novexa PW-4804 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW4804-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,112 (Power Supplies scale)
Category rank#27,167
Street price$59
Power550 W (rated)
Performance per dollar18.85
Released2020

Specifications

BrandNovexa
ModelNovexa PW-4804 Ultra
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-2564 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply909$49Compare
Novexa PW-8238 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,505$339Compare
Teralux PW-6099 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply728$39Compare
Vantrel PW-6611 Prime 1000W 80 PLUS Gold SFX Power Supply2,525$319Compare
Novexa PW-4378 Plus 1200W 80 PLUS Gold ATX Power Supply2,499$289Compare
Vantrel PW-4492 Prime 1600W 80 PLUS Titanium ATX Power Supply2,646$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4804 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/740849 (accessed 2026-10-24).