Hardware Spec Index

Zephyra PW-5578 SE 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW5578-SE · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,894 (Power Supplies scale)
Category rank#47,839
Street price$159
Power850 W (rated)
Performance per dollar11.91
Released2026

Specifications

BrandZephyra
ModelZephyra PW-5578 SE
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 factorATX
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
Zephyra PW-6790 SE 1000W 80 PLUS Platinum ATX Power Supply2,302$209Compare
Vantrel PW-6137 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,854$129Compare
Caldera PW-5160 XT 1600W 80 PLUS Titanium ATX Power Supply2,894$399Compare
Caldera PW-1716 Core 550W 80 PLUS Bronze ATX Power Supply964$39Compare
Caldera PW-4822 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply1,216$59Compare
Novexa PW-7694 Prime 850W 80 PLUS Gold ATX Power Supply1,571$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5578 SE 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/9502730 (accessed 2026-10-20).