HP Pavilion zv5330us 15.4" Laptop (Intel Pentium 4 Processor with HT Technology, 512 MB RAM, 80 GB Hard Drive, DVD-RW Drive) 512KB of L2 Cache 800MHz FSB 1 RAM Slot (occupied - 256MB built-in & not accessible) RAM is upgradable to 1.2GB ATI MOBILITY RADEON 9000 IGP graphics with 128MB of shared memory (memory is taken from the main RAM)