Hardware Spec Index

Zephyra PW-9728 XT 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW9728-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,046 (Power Supplies scale)
Category rank#7,041
Street price$49
Power550 W (rated)
Performance per dollar21.35
Released2024

Specifications

BrandZephyra
ModelZephyra PW-9728 XT
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
Novexa PW-4687 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,623$119Compare
Caldera PW-3827 SE 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,770$369Compare
Novexa PW-4937 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,655$109Compare
Novexa PW-3724 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,626$119Compare
Teralux PW-8573 SE 850W 80 PLUS Bronze ATX 3.1 Power Supply1,253$69Compare
Teralux PW-5204 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply1,053$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9728 XT 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/8366754 (accessed 2026-10-19).