Sony VAIO VGC-RA826G Digital Studio PC (Intel Pentium 4 Processor 550, 1 GB RAM, 250 GB Hard Drive, DVD+/-RW Dbl Layer, DVD-ROM Drive) (Discontinued by Manufacturer) Monitor Not Included Intel Pentium 4 Processor 550 (3.4 GHz) with HT Technology 1MB of L2 Cache 800MHz FSB 1GB of PC3200 400MHz DDR SDRAM (expandable to 2GB)