Hardware Spec Index

Zephyra PW-3144 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3144-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,177 (Power Supplies scale)
Category rank#34,513
Street price$59
Power550 W (rated)
Performance per dollar19.95
Released2026

Specifications

BrandZephyra
ModelZephyra PW-3144 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 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
Novexa PW-6245 Pro 550W 80 PLUS Bronze ATX 3.0 Power Supply877$39Compare
Vantrel PW-5531 Pro 1300W 80 PLUS Platinum ATX Power Supply2,446$229Compare
Teralux PW-1496 Prime 1000W 80 PLUS Gold SFX Power Supply2,059$189Compare
Caldera PW-9161 Ultra 1000W 80 PLUS Gold ATX Power Supply2,390$239Compare
Teralux PW-9731 Plus 1600W 80 PLUS Titanium ATX Power Supply2,784$339Compare
Novexa PW-7371 Plus 650W 80 PLUS Bronze ATX Power Supply1,171$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3144 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/6501441 (accessed 2026-10-21).