HP Pavilion zv5430us 15.4" Laptop (AMD Athlon 64 Processor 3200+ (PowerNow), 512 MB RAM, 80 GB Hard Drive, DVD+/-RW/CD-RW Drive) AMD Athlon 64 Processor 3200+ (2.0 GHz) with PowerNow! 1MB L2 Cache Up to 1600MHz System Bus 512MB of 333MHz DDR SDRAM (expandable to 1.28GB) 2 RAM Slots (1 user accessible - occupied)