Hardware Spec Index

Novexa PW-4756 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Novexa · SKU PW4756-XT · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index716 (Power Supplies scale)
Category rank#32,495
Street price$39
Power550 W (rated)
Performance per dollar18.36
Released2019

Specifications

BrandNovexa
ModelNovexa PW-4756 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
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-1567 Edge 650W 80 PLUS Bronze ATX 3.1 Power Supply1,048$49Compare
Caldera PW-5429 Prime 1300W 80 PLUS Gold ATX 3.0 Power Supply2,551$259Compare
Zephyra PW-9052 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,760$149Compare
Novexa PW-7439 Plus 1200W 80 PLUS Gold ATX 3.0 Power Supply2,104$209Compare
Teralux PW-5672 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply2,159$219Compare
Teralux PW-1444 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,429$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4756 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/6942356 (accessed 2026-10-27).