HP Compaq 6735s KS115UT 15.4-Inch Laptop (2.0 GHz AMD Sempron SI-40 Processor, 1 GB RAM, 120 GB Hard Drive, Vista Basic) AMD Sempron Processor SI-40 (2.0GHz, 512 KB L2 cache) 1GB 800MHz DDR2 SDRAM SODIMM 120GB 5400 rpm SATA II Hard Drive LightScribe DVD+/-RW SuperMulti with Double Layer Windows Vista Home Basic