Lenovo MEMORY 40Y8403 is compatible in the following Models:

Lenovo G Series laptops

G530 Laptop (Lenovo) - 444624M
G530 Laptop (Lenovo) - 444638M

Lenovo ThinkPad Edge laptops

ThinkPad Edge 13 - 0196CTO

Lenovo ThinkPad R Series laptops

ThinkPad R61 - 8919A41
ThinkPad R61 - 89337WM
ThinkPad R61 - 8933B51

Lenovo ThinkPad SL Series laptops

ThinkPad SL300 - 273834M
ThinkPad SL300 - 27385VM
ThinkPad SL400 - 274334M
ThinkPad SL500 - 274634M

Lenovo ThinkPad T Series laptops

ThinkPad T60 - 195176M
ThinkPad T60 - 200798M
ThinkPad T61 - 64586QM
ThinkPad T61 - 6460A46
ThinkPad T61 - 6460A47
ThinkPad T61 - 766313M
ThinkPad T61 - 7663A21
ThinkPad T61 - 7664A19

Lenovo ThinkPad X Series laptops

ThinkPad X100e - 2876CTO
ThinkPad X100e - 3507A16
ThinkPad X100e - 3507A23
ThinkPad X100e - 3508CTO

Lenovo ThinkPad X Series Tablet laptops

ThinkPad X61 Tablet - 776295M
ThinkPad X61 Tablet - 7763D99

Lenovo ThinkPad Z Series laptops

ThinkPad Z61p - 9452JRU