Lenovo OPTICAL DRIVES
42T2539
is compatible in the following Models:
Lenovo ThinkPad R Series laptops
ThinkPad R500 - 2732CTO
ThinkPad R400 - 7439CTO
Lenovo ThinkPad W Series laptops
ThinkPad W700 - 2757CTO
ThinkPad W700 - 2758ELM