Hardware Spec Index

Zephyra PW-8566 Max 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW8566-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,700 (Power Supplies scale)
Category rank#10,314
Street price$159
Power850 W (rated)
Performance per dollar10.69
Released2025

Specifications

BrandZephyra
ModelZephyra PW-8566 Max
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1644 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,656$119Compare
Vantrel PW-6904 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,538$99Compare
Vantrel PW-5449 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,318$249Compare
Caldera PW-7857 Ultra 1000W 80 PLUS Gold ATX Power Supply1,810$169Compare
Teralux PW-3794 Ultra 850W 80 PLUS Bronze ATX 3.1 Power Supply1,303$89Compare
Caldera PW-5473 Edge 1200W 80 PLUS Gold ATX 3.0 Power Supply2,026$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8566 Max 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/16401249 (accessed 2026-10-25).