180W SFF Power Supply DPS-180AB-22B Replacement PSU Part#906189-001, Compatible with HP ProDesk 280 G2 / 400 G4 / 600 G3 SFF, Cross PN:906189-003 906189-004 854142-001 854142-003

This 180W SFF switching power supply unit is a direct drop-in replacement for HP original DPS-180AB-22B power supply, matching OEM spare part 906189-001 and cross-compatible part numbers 906189-003,906189-004,854142-001,854142-003, also compatible with PCH018 and PA-1181-7 series power modules.

It is exclusively engineered for HP small form factor business desktops including ProDesk 280 G2 SFF, ProDesk 400 G4 SFF and ProDesk 600 G3 SFF, equipped with factory-matched 6pin+4pin dedicated power cable harness, no pin mismatch or chassis cutting required during installation.

Certified 80 Plus Bronze energy efficiency reduces power consumption and heat generation during long-hour office standby and multi-task office workloads. Wide-range 100-240V AC input supports global office power grids without voltage transformers.

Internal intelligent protection circuits automatically cut power output once abnormal overload, short circuit or high temperature occurs, effectively preventing damage to core desktop hardware like mainboard, hard drives and CPU. Variable-speed cooling fan adjusts rotation speed based on internal temperature to lower idle running noise.

Every unit passes full-load aging testing before shipment, stable low-ripple DC output ensures consistent system operation for commercial office, corporate IT fleet maintenance and desktop repair upgrade scenarios. Standard SFF compact metal housing matches original mounting hole positions for quick plug-and-play replacement.