Hardware Spec Index

Zephyra PW-4289 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4289-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,792 (Power Supplies scale)
Category rank#23,833
Street price$129
Power850 W (rated)
Performance per dollar13.89
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4289 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Vantrel PW-4779 Core 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,290$249Compare
Teralux PW-1034 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,785$129Compare
Zephyra PW-1932 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,615$99Compare
Novexa PW-2152 Pro 1200W 80 PLUS Gold ATX Power Supply2,364$259Compare
Vantrel PW-9190 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply1,142$59Compare
Teralux PW-5250 Pro 850W 80 PLUS Gold ATX Power Supply1,551$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4289 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/4028781 (accessed 2026-10-25).