Hardware Spec Index

Zephyra PW-2628 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW2628-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index917 (Power Supplies scale)
Category rank#2,564
Street price$39
Power550 W (rated)
Performance per dollar23.51
Released2019

Specifications

BrandZephyra
ModelZephyra PW-2628 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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

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Cite this page: Hardware Spec Index, “Zephyra PW-2628 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/1776751 (accessed 2026-10-19).