Hardware Spec Index

Zephyra PW-4660 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4660-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index952 (Power Supplies scale)
Category rank#2,262
Street price$49
Power550 W (rated)
Performance per dollar19.43
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4660 XT
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan140 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-4471 SE 1000W 80 PLUS Platinum ATX Power Supply2,181$209Compare
Caldera PW-7469 Plus 550W 80 PLUS Bronze ATX Power Supply907$49Compare
Teralux PW-1733 SE 550W 80 PLUS Bronze ATX Power Supply899$39Compare
Teralux PW-7232 Ultra 650W 80 PLUS Gold ATX 3.1 Power Supply979$49Compare
Novexa PW-9209 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply948$49Compare
Novexa PW-2305 XT 750W 80 PLUS Bronze SFX Power Supply965$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4660 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/9167939 (accessed 2026-10-24).