Lenovo Part
44C9506
is compatible in the following Models:
Lenovo ThinkPad W Series laptops
ThinkPad W700 - 2752E7M
ThinkPad W700 - 2752RQ4
ThinkPad W700 - 2757CTO
ThinkPad W700 - 275854M
ThinkPad W700 - 2758ELM