Amazon.com: Original Graphics Card GPU Replacement, for Toshiba Satellite A500 L500 Series Laptop A500 A505 L500 L505 L582 L550 L585 Notebook PC, NVIDIA GeForce GT 310M DDR3 512MB VGA MXM Video Board :
ASUS Laptop U35 Series Intel Core i3 1st Gen 370M (2.40GHz) 4GB Memory 500GB HDD NVIDIA GeForce 310M + Intel HD 13.3" Windows 7 Home Premium 64-bit U35JC-A1 - Newegg.com
ASUS Laptop K42 Series Intel Core i5 1st Gen 450M (2.40GHz) 4GB Memory 500GB HDD NVIDIA GeForce 310M + Intel HD 14.0" Windows 7 Home Premium 64-bit K42JC-B1 - Newegg.com