Lenovo Y580 59-346843 (W7HB) (5934-6843) ~Stock Available now~ Intel® Core™ i7 Processor 3630QM (2.4GHz up to 3.4GHz/1600Mhz/6MB Cache) *4GB DDR3 *500GB SATA HDD *DVD Super MultiBurner Nvidia GeForce GTX 660M 2GB DDR5 15.6" WLED FULL HD HD Camera SRS+JBL Speaker 6 in 1 Card Reader HDMI 2 Years Warranty (Parts & Labor, Carry In) *GENUINE WINDOWS® 7 HOME BASIC Standard Carry Case (Lenovo Case Y480/Y580) SRP: RM2999 Promo: RM2800 *Free LENOVO HEADSET P950 Until 30th Sept*

best price with additional 4gb ram....same speed as the built in one....

the built in one ddr3 1333???