ASUS K53U-RBR5 AMD Dual-Core E350, 4GB, 640GB HDD, DVD, 15.6? HD LED Windows 7 Home 64-bit AMD dual core e 350 Processor 1.6GHz 4 GB SO-DIMM 640 GB 5400 rpm Hard Drive 15.6-Inch Screen Windows 7 Home Premium 64-bit