... - Quad Core i7 600GB laptops Processor Type: Core i7Hard Drive Capacity: 600GBOperating System:Windows 7 UltimateMemory (RAM): 6GBScreen Size ... Drive: 8x SuperDriveDisplay Max. Resolution 1440 x 900Technical FeaturesExpansion Ports 3 x USB 2.0, DVI (Digital Video Interface), FireWire 800, ... 8 GBRAM Speed 1333 MHzInstalled Cache Memory 6144 KBCD / DVDOptical Drive Read Speed 24x (CD), 6x (DVD+R DL), 6x ...