Hardware Spec Index

Zephyra PW-5918 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW5918-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,734 (Power Supplies scale)
Category rank#40,599
Street price$129
Power850 W (rated)
Performance per dollar13.44
Released2020

Specifications

BrandZephyra
ModelZephyra PW-5918 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
Fan135 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
Caldera PW-2415 Ti 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,674$289Compare
Vantrel PW-1913 Prime 850W 80 PLUS Gold ATX Power Supply1,746$149Compare
Caldera PW-1237 Pro 1200W 80 PLUS Gold ATX 3.1 Power Supply2,210$259Compare
Zephyra PW-8100 Ti 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,373$239Compare
Novexa PW-4046 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,856$169Compare
Caldera PW-1928 SE 550W 80 PLUS Gold ATX 3.1 Power Supply872$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5918 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/8615422 (accessed 2026-10-21).