Part Q1997A is compatible in the following Models:

HPE StorageWorks AIT 35 Tape Drive

35/70GB AIT Internal LVD SCSI Tape Drive - 216884-B21
35/70GB AIT LVD External Tape Drive (USA) - 216885-001
35/70GB AIT LVD External Tape Drive (Japan) - 216885-291
35/70GB AIT LVD External Tape Drive (Int'l) - 216885-B31
35/70GB AIT LVD Hot Plug Tape Drive - 216886-B21