Best Buy: Asus GeForce GTX 260 896MB GDDR3 PCI Express Graphics Card ENGTX260GLBBY
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Replacement for Asus G51J G60J Laptop Notebook PC, for NVIDIA GeForce GTX 260M GDDR3 1GB G92-751-B1, MXM 3 VGA Board Repair Parts :