We are SPECIALIZED in wholesale supply of brand new 100% original China brand computer factory unlocked, Such as apple macbook, Samsung, asus, Toshiba, lenovo,Acer,HP,And so on. Order from www.fondsale.com Basic parameters Time to market in February 2011 Product Type Home Product positioning around student of the Mac OS X operating system Processor Intel Core i7 processor family Processor Type Intel Core i7 640M 2.8GHz processor frequency Core frequency up to 3460MHz Bus 2.5GT / S 3 cache 4MB Core type Arrandale Cores / threads dual core / quad thread 32nm process technology 64bit instruction set Power 35W Motherboard chipset Intel PM45 + ICH9M Storage Devices Memory capacity 4GB