Hardware Spec Index

Zephyra PW-4258 Prime 750W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW4258-PRIME · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,131 (Power Supplies scale)
Category rank#33,934
Street price$59
Power750 W (rated)
Performance per dollar19.17
Released2021

Specifications

BrandZephyra
ModelZephyra PW-4258 Prime
Rated output750 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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-6009 Core 550W 80 PLUS Gold ATX 3.1 Power Supply898$39Compare
Caldera PW-6337 Ultra 1200W 80 PLUS Titanium ATX Power Supply2,306$289Compare
Zephyra PW-7108 Edge 850W 80 PLUS Platinum SFX Power Supply1,973$169Compare
Caldera PW-9861 Pro 650W 80 PLUS Gold ATX Power Supply1,196$69Compare
Vantrel PW-3557 Core 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,770$299Compare
Teralux PW-4018 XT 550W 80 PLUS Bronze ATX Power Supply932$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4258 Prime 750W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/20031076 (accessed 2026-10-19).