Amazon.com: Valley Of The Sun New Graphics Video Card Replacement, for Lenovo IdeaCentre B500 B505 B50R1 All-in-One Desktop PC Computer, NVIDIA GeForce GT 540M GDDR5 2GB N12P-GS-A1, MXM VGA Board Repair Parts :
NVIDIA GeForce GT 540M vs NVIDIA GeForce GT 520M
Amazon.com: Vath Sticker Compatible with NVIDIA GEFORCE GT540M CUDA 1GB 18mm x 18mm [854] : Electronics
Need for Speed on NVIDIA GeForce GT 540M #1 - YouTube