Hardware Spec Index

Zephyra PW-1204 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW1204-PLUS · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index826 (Power Supplies scale)
Category rank#48,508
Street price$39
Power550 W (rated)
Performance per dollar21.18
Released2022

Specifications

BrandZephyra
ModelZephyra PW-1204 Plus
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-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
Zephyra PW-7400 SE 850W 80 PLUS Bronze ATX Power Supply1,173$69Compare
Novexa PW-8428 Max 1000W 80 PLUS Gold SFX Power Supply1,894$149Compare
Vantrel PW-3582 SE 650W 80 PLUS Gold SFX Power Supply1,139$59Compare
Vantrel PW-5807 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,434$259Compare
Caldera PW-9326 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,159$219Compare
Teralux PW-1314 XT 850W 80 PLUS Gold ATX Power Supply1,775$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1204 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/4229200 (accessed 2026-10-25).