Hardware Spec Index

Zephyra PW-5289 Max 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW5289-MAX · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index942 (Power Supplies scale)
Category rank#29,518
Street price$39
Power550 W (rated)
Performance per dollar24.15
Released2023

Specifications

BrandZephyra
ModelZephyra PW-5289 Max
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-5289 Max 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/8637495 (accessed 2026-10-22).