6HTWP 06HTWP CN-06HTWP 250W POWER SUPPLY FOR DELL POWEREDGE R220 - 365PowerSupply.com - Replacement Laptop Power Adapters,Desktop Power Supply & Server Workstation PSU.
Dell PowerEdge R220: Specs and Rack Compatibility - RackSolutions
Dell R220 PowerEdge R220 Rack Server 3.2GHz 8Gb 2x 3.5" Internal No Rails