Part C7243J is compatible in the following Models:

HPE Surestore 4/40 Tape Library

DLT Library 2/40 - C7210NB
DLT Library 2/40 - C7210RA
DLT Library 2/40 - C7210RC
DLT Library 2/40 - C7211NB
DLT Library 2/40 - C7211RA
DLT Library 2/40 - C7211RC
DLT Library 4/40 - C7214NB
DLT Library 4/40 - C7214RA
DLT Library 4/40 - C7214RC
DLT Library 4/40 - C7215NB
DLT Library 4/40 - C7215RA
DLT Library 4/40 - C7215RC