IBM/Lenovo 3000 Series Notebook Memory Upgrade Configurator - choose your Model:

C100 Series 0761-xxx
C200 Series 8922-xxx
C300 3012-xxx
G230 4107-xxx
G400 Series 2048-xxx
G410 Series 2049-xxx
G430 4152, 4153-xxx
G430a 4153-xxx
G450
G510 4056, 4059-xxx
G530 4151, 4446-xxx
G550
N100 Series 0689, 0768-xxx
N200 0687, 0769-xxx
N500
V100 Series 0763-xxx
V200 0764-xxx
Y200 6469-xxx
Y300 Series 7759, 9449-xxx
Y310 Series 7756-xxx
Y400 Series 9454-xxx
Y410 7757-xxx
Y500 Series 7761-xxx