Lenovo OPTICAL DRIVES
42T2583
is compatible in the following Models:
Lenovo ThinkPad R Series laptops
ThinkPad R500 - 2716RV8
ThinkPad R500 - 2732CTO
ThinkPad R400 - 7439A25
ThinkPad R400 - 7439CTO
ThinkPad R400 - 7439R17