122225-001 is an HP/Compaq hot-plug system fan assembly used for processor and I/O cooling in the ProLiant ML530 G2 and ML570 G2 servers. HP service documentation identifies it as the 127mm (5-inch) processor and I/O hot-plug fan, with the ML570 G2 using these fans in dedicated CPU and I/O fan positions.
- Part Number: 122225-001
- Manufacturer: HP / Compaq
- Product: Hot-Plug System Fan
- Fan Size: 127mm (5-inch)
- Fan Type: Hot-plug / hot-swap axial cooling fan
- Primary Function: Processor and I/O system cooling
- Compatible Systems: HP/Compaq ProLiant ML530 G2 and ML570 G2.
- Cooling Zones: CPU/processor area and system-board I/O area
- Hot-Plug: Yes
- Fan Arrangement: ML570 G2 uses these fans in primary/redundant CPU and I/O fan positions; the system fan baskets support redundant operation.
- Related Fan Kit: 128284-B21 — ML530 G2/ML570 G2 hot-swap fan kit
- Related Fan: 171531-001 — replacement hot-plug system I/O fan
- Related Fan Basket: 161658-001
- Included: 1 × hot-plug system fan assembly
- Application: Server chassis, processor and system-board cooling
- Compatibility Note: 122225-001 is a 5-inch system fan, not the smaller 92mm hot-plug drive fan 161657-001 used for the hard-drive area.