Hardware Spec Index

Zephyra PW-5228 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW5228-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index711 (Power Supplies scale)
Category rank#31,746
Street price$39
Power550 W (rated)
Performance per dollar18.23
Released2026

Specifications

BrandZephyra
ModelZephyra PW-5228 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
Fan140 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-6844 Pro 1200W 80 PLUS Gold ATX 3.0 Power Supply2,406$299Compare
Caldera PW-4263 Plus 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,390$269Compare
Caldera PW-3826 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,889$349Compare
Zephyra PW-4201 Core 750W 80 PLUS Gold ATX Power Supply1,118$59Compare
Caldera PW-4600 Ti 1000W 80 PLUS Gold ATX 3.1 Power Supply2,104$199Compare
Vantrel PW-1858 Core 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,435$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5228 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3769347 (accessed 2026-10-22).