180W SFF Replacement Power Supply DPS-180AB-22B Compatible with HP ProDesk 280 G2 400 G4 600 G3 SFF, P/N 906189-001 906189-003 906189-004 854142-001 854142-003

This brand-new 180W small form factor power supply model DPS-180AB-22B is a precise OEM replacement built for HP ProDesk business SFF desktops including 280 G2, 400 G4 and 600 G3. It perfectly replaces HP original spare part numbers 906189-001, 906189-003, 906189-004, 854142-001 and 854142-003.

Adopting high-quality stable internal electronic components, this compact PSU outputs low-ripple consistent clean power to protect motherboard, CPU, memory and storage hardware under daily office multitasking loads. Intelligent built-in safety circuits automatically cut off power supply once abnormal voltage, overload or overheating is detected to prevent permanent hardware burnout.

Equipped with silent high-efficiency cooling fan and mini heat sink structure, it rapidly exhausts internal heat inside narrow SFF chassis while maintaining quiet running noise suitable for office environments. All power cable interfaces and installation dimensions strictly follow HP factory original standards, enabling fast simple direct swap installation without wiring modification or conversion accessories. Every unit undergoes rigorous factory aging, voltage stability and safety testing before shipment, meeting OEM reliability standards for corporate PC maintenance and defective SFF power supply replacement.