Hardware Spec Index

Zephyra PW-5503 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW5503-EDGE · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,125 (Power Supplies scale)
Category rank#7,345
Street price$59
Power550 W (rated)
Performance per dollar19.07
Released2022

Specifications

BrandZephyra
ModelZephyra PW-5503 Edge
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
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Novexa PW-7024 Max 850W 80 PLUS Gold SFX Power Supply1,848$149Compare
Zephyra PW-8256 Prime 850W 80 PLUS Gold ATX Power Supply1,650$119Compare
Caldera PW-5920 Ti 1200W 80 PLUS Gold ATX 3.0 Power Supply2,370$269Compare
Caldera PW-8684 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,897$159Compare
Caldera PW-7715 Core 750W 80 PLUS Gold SFX Power Supply1,593$109Compare
Teralux PW-5703 Plus 1200W 80 PLUS Gold ATX 3.0 Power Supply2,189$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5503 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/12955170 (accessed 2026-10-26).