Hardware Spec Index

Zephyra PW-4166 SE 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW4166-SE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index839 (Power Supplies scale)
Category rank#19,645
Street price$39
Power550 W (rated)
Performance per dollar21.51
Released2021

Specifications

BrandZephyra
ModelZephyra PW-4166 SE
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully 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-2889 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,742$139Compare
Zephyra PW-8414 Max 1200W 80 PLUS Platinum ATX Power Supply2,379$229Compare
Teralux PW-5303 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,746$349Compare
Zephyra PW-5259 Prime 550W 80 PLUS Gold ATX Power Supply1,182$59Compare
Caldera PW-1319 Pro 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,905$169Compare
Caldera PW-8893 XT 650W 80 PLUS Gold ATX 3.0 Power Supply724$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4166 SE 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/2094969 (accessed 2026-10-25).