HP A5680AR - Rack mount kit for older HP racks including A1896A, A1897A, A3656A, C2785A, C2786A, and C2787A Retail
HP A6533A - HP Rittal RBI rail kit for DS2100 - Rack mount kit for older HP racks including A1896A, A1897A, A3656A, C2785A, C2786A, and C2787A Retail