Hardware Spec Index

Zephyra PW-4066 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4066-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index919 (Power Supplies scale)
Category rank#19,623
Street price$39
Power550 W (rated)
Performance per dollar23.56
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4066 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan135 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
Novexa PW-9766 SE 1300W 80 PLUS Titanium ATX Power Supply2,494$309Compare
Teralux PW-5174 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,815$139Compare
Vantrel PW-2123 SE 850W 80 PLUS Bronze ATX 3.0 Power Supply1,367$89Compare
Vantrel PW-9271 Prime 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,780$339Compare
Novexa PW-4796 Prime 1000W 80 PLUS Platinum ATX Power Supply1,838$169Compare
Zephyra PW-8935 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,131$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4066 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/28295865 (accessed 2026-10-19).