Hardware Spec Index

Novexa PW-4774 Core 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW4774-CORE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index753 (Power Supplies scale)
Category rank#11,439
Street price$39
Power550 W (rated)
Performance per dollar19.31
Released2025

Specifications

BrandNovexa
ModelNovexa PW-4774 Core
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully 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-6703 XT 750W 80 PLUS Gold ATX Power Supply1,546$109Compare
Zephyra PW-1554 Ultra 550W 80 PLUS Gold ATX 3.0 Power Supply801$39Compare
Vantrel PW-1983 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,586$119Compare
Zephyra PW-6805 Plus 1200W 80 PLUS Gold ATX 3.1 Power Supply2,548$259Compare
Caldera PW-4207 Pro 650W 80 PLUS Bronze ATX Power Supply1,069$49Compare
Teralux PW-9583 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,304$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4774 Core 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/681194 (accessed 2026-10-22).