Hardware Spec Index

Zephyra PW-8566 XT 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW8566-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,041 (Power Supplies scale)
Category rank#36,466
Street price$49
Power550 W (rated)
Performance per dollar21.24
Released2023

Specifications

BrandZephyra
ModelZephyra PW-8566 XT
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 factorSFX-L
ModularityNon-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
Vantrel PW-1978 Max 1000W 80 PLUS Platinum ATX Power Supply1,889$159Compare
Teralux PW-9253 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,733$159Compare
Caldera PW-8263 Ti 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,559$309Compare
Zephyra PW-6942 Pro 1600W 80 PLUS Titanium ATX Power Supply2,710$349Compare
Caldera PW-9559 Max 650W 80 PLUS Gold ATX 3.1 Power Supply786$39Compare
Teralux PW-9869 Ti 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,758$379Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8566 XT 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/92937672 (accessed 2026-10-23).