Acer AS5536-5883 15.6-Inch Laptop AMD Athlon 64 X2 QL-64 Dual-Core 2.10 GHz Processor, 1 MB L2 Cache, 800 MHz Bus speed 3072 MB DDR2 (PC2-5300) RAM 320GB Hard Drive Windows Vista Home Premium (SP1), 6-Cell Lithium-ion Battery 15.6" High-Definition Widescreen LED-backlit display