HP Pavilion zv5410us 15.4" Laptop (AMD Athlon 64 Processor 3000+ (PowerNow), 512 MB RAM, 60 GB Hard Drive, DVD/CD-RW Drive) AMD Athlon 64 Processor 3000+ (1.8 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)