Hardware Spec Index

Zephyra PW-7905 Ultra 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW7905-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index833 (Power Supplies scale)
Category rank#45,571
Street price$39
Power650 W (rated)
Performance per dollar21.36
Released2021

Specifications

BrandZephyra
ModelZephyra PW-7905 Ultra
Rated output650 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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3423 Ultra 750W 80 PLUS Bronze ATX Power Supply1,467$89Compare
Zephyra PW-5990 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply1,658$139Compare
Novexa PW-4238 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply2,011$159Compare
Vantrel PW-5616 Plus 650W 80 PLUS Gold ATX Power Supply1,133$59Compare
Caldera PW-3222 Pro 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,860$399Compare
Novexa PW-5966 XT 1300W 80 PLUS Platinum ATX Power Supply2,548$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7905 Ultra 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/14536639 (accessed 2026-10-19).