Lenovo OPTICAL DRIVES 42T2557 is compatible in the following Models:

Lenovo ThinkPad T Series laptops

ThinkPad T500 - 20893RM

ThinkPad T400 - 276712M

ThinkPad T400 - 2767RW1

ThinkPad T400 - 6474CTO

ThinkPad T400 - 6474RQ8

ThinkPad T400 - 6474RS2

ThinkPad T400 - 7417CTO

Lenovo ThinkPad X Series laptops

ThinkPad X200 - 7454CTO

ThinkPad X200 - 7458CTO

ThinkPad X200s - 7469CTO