HP Pavilion zd8080us 17" Laptop (Intel Pentium 4 Processor 550 (Hyper-Threading), 1 GB RAM, 100 GB Hard Drive, DVD+/-RW/CD-RW Drive) Intel Pentium 4 Processor 550 (3.4E GHz) with HT Technology 1MB L2 Cache 800MHz FSB 1GB of DDR2 400MHz Dual Channel SDRAM (expandable to 2GB) 2 RAM Slots (occupied)