Hardware Spec Index

Zephyra PW-8390 Max 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW8390-MAX · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index817 (Power Supplies scale)
Category rank#43,732
Street price$39
Power650 W (rated)
Performance per dollar20.95
Released2023

Specifications

BrandZephyra
ModelZephyra PW-8390 Max
Rated output650 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
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
Teralux PW-2549 Plus 1300W 80 PLUS Titanium ATX Power Supply2,954$349Compare
Teralux PW-5226 Pro 1200W 80 PLUS Platinum ATX Power Supply2,167$199Compare
Vantrel PW-9434 Prime 850W 80 PLUS Gold ATX Power Supply1,874$129Compare
Novexa PW-8194 Edge 1300W 80 PLUS Titanium ATX Power Supply2,812$389Compare
Zephyra PW-9890 Ultra 650W 80 PLUS Gold ATX 3.0 Power Supply1,127$49Compare
Teralux PW-8060 Plus 650W 80 PLUS Bronze ATX Power Supply869$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8390 Max 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/6430875 (accessed 2026-10-24).