Apple MacBook Pro MB604LL/A 17-Inch Laptop (2.66 GHz Intel Core 2 Duo Processor, 4 GB RAM, 320 GB Hard Drive, Slot Loading SuperDrive) Built-in lithium-polymer battery. Up to 8 hours of wireless productivity. NVIDIA GeForce 9600M GT discrete graphics processor and NVIDIA GeForce 9400M integrated graphics processor; Glossy display 320GB 5400-rpm Serial ATA hard drive; 512MB of GDDR3 memory 4GB of 1066MHz DDR3 memory; two SO-DIMM slots support up to 8GB SuperDrive 8x (DVDR DL/DVDRW/CD-RW)