Hardware Spec Index

Zephyra PW-4424 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4424-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index791 (Power Supplies scale)
Category rank#21,945
Street price$39
Power550 W (rated)
Performance per dollar20.28
Released2025

Specifications

BrandZephyra
ModelZephyra PW-4424 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-3867 Plus 750W 80 PLUS Gold ATX 3.0 Power Supply1,169$69Compare
Novexa PW-7364 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,583$119Compare
Caldera PW-9179 Ultra 1000W 80 PLUS Titanium ATX Power Supply2,537$289Compare
Zephyra PW-7710 Ultra 1200W 80 PLUS Gold ATX Power Supply2,416$279Compare
Zephyra PW-1832 SE 1300W 80 PLUS Titanium ATX Power Supply2,460$279Compare
Teralux PW-7089 SE 1600W 80 PLUS Titanium ATX Power Supply2,930$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4424 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/84552090 (accessed 2026-10-25).