Hardware Spec Index

Zephyra PW-8305 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW8305-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,715 (Power Supplies scale)
Category rank#29,660
Street price$119
Power850 W (rated)
Performance per dollar14.41
Released2021

Specifications

BrandZephyra
ModelZephyra PW-8305 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-8362 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,704$139Compare
Caldera PW-5022 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,549$239Compare
Novexa PW-6864 SE 850W 80 PLUS Gold ATX Power Supply2,030$169Compare
Zephyra PW-8417 Plus 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,691$319Compare
Zephyra PW-9820 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,880$129Compare
Teralux PW-4577 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,540$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8305 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6577812 (accessed 2026-10-26).