HP D8228-63013 - Hot-swap fan assembly - For the I/O boards - Mounts on the I/O board support in the middle of the chassis (Two used) Retail
HP 28670-69001 - Fiber distributed data interface (FDDI) board - Fiber Distributed Data Interface (FDDI) Board - for the HP-PB I/O Board Slot (P/O J2157A) Retail