Hardware Spec Index

Zephyra PW-9728 Plus 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW9728-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index970 (Power Supplies scale)
Category rank#30,246
Street price$49
Power550 W (rated)
Performance per dollar19.80
Released2020

Specifications

BrandZephyra
ModelZephyra PW-9728 Plus
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-1932 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply800$39Compare
Teralux PW-3213 SE 1000W 80 PLUS Gold ATX Power Supply2,116$189Compare
Vantrel PW-8800 SE 850W 80 PLUS Gold ATX Power Supply1,664$119Compare
Teralux PW-2172 Core 550W 80 PLUS Gold ATX Power Supply975$39Compare
Zephyra PW-2988 SE 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,562$369Compare
Vantrel PW-1045 SE 1200W 80 PLUS Gold ATX Power Supply2,269$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9728 Plus 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/758494 (accessed 2026-10-19).