HP Media Center m1180n Photosmart PC (Intel Pentium 4 Processor 550 (Hyper-Threading), 1 GB RAM, 250 GB Hard Drive, Dbl Layer DVD+/-RW/CD-RW Drive) (Discontinued by Manufacturer) Intel Pentium 4 processor 550 with HT Technology (3.4 GHz) 1MB L2 Cache 800 MHz FSB 1GB PC3200 DDR SDRAM (expandable to 4GB) 4 RAM Slots (2 available)