Hardware Spec Index

Zephyra PW-5728 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW5728-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index859 (Power Supplies scale)
Category rank#48,502
Street price$39
Power550 W (rated)
Performance per dollar22.03
Released2024

Specifications

BrandZephyra
ModelZephyra PW-5728 Prime
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
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-6695 Core 850W 80 PLUS Gold ATX Power Supply1,332$79Compare
Novexa PW-7417 Core 850W 80 PLUS Gold SFX Power Supply1,651$99Compare
Caldera PW-9292 Max 750W 80 PLUS Bronze ATX 3.1 Power Supply1,075$49Compare
Vantrel PW-3822 Edge 850W 80 PLUS Gold ATX Power Supply1,746$129Compare
Vantrel PW-2567 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,775$339Compare
Caldera PW-4665 Plus 1000W 80 PLUS Gold SFX Power Supply2,426$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5728 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/20175690 (accessed 2026-10-20).