Nvidia 320M GPU made especially for Apple's new 13-inch MacBook Pro | AppleInsider
Refurbished: Apple Laptop MacBook Pro Intel Core 2 Duo P8800 (2.66GHz) 4GB Memory 320GB HDD NVIDIA GeForce 320M 13.3" Mac OS X 10.6 Snow Leopard MC375LL/A - Newegg.com
NVIDIA GeForce 320M Mac Edition Specs | TechPowerUp GPU Database