In ordering a Smart Array 3200, 295643-B21 subsystem, order the appropriate Smart Array 3200, 295643-B21 xx package and one - of the Smart Array 3200, 295643-B21-xx or TUK50 xx controller option numbers, depending an system - configuration. Drives (All include a TK50 K cartridge) - Smart Array 3200, 295643-B21-AA Smart Array 3200, 295643-B21 5.25-inch tape drive. TK50-DA TK50 in desktop unit, 120 V Smart Array 3200, 295643-B21-DB Smart Array 3200, 295643-B21 in desktop unit, 240 V TK50-RA Smart Array 3200, 295643-B21 in rackmount unit, 120 V Smart Array 3200, 295643-B21-RB TK50 in rackmount unit, 240 V Note: TK5O-Dx and Rx units include a 9-foot cable to connect the drive to the CPU bulkhead. - Q-bus Controllers Smart Array 3200, 295643-B21-AA Smart Array Smart Array 3200, 295643-B21, 295643-B21-bus TMSCP controller for TK50-AA tape drive. Includes 30-in cable for installation with TK50-AA in BA23-A box. Smart Array 3200, 295643-B21-BA Q22-bus TMSCP controller for TK50-AA tape drive. Includes 30-in cable for installation with TK50-AA in BAl23-A box. Smart Array 3200, 295643-B21-AB Smart Array 3200, 295643-B21-bus TMSCP controller for TK50-DIR tape drive. Includes 14-in cable and distribution insert for installation of TQK50 in Smart Array 3200, 295643-B21-A box.