HP Pavilion a800n Desktop PC (AMD Athlon XP 3200+ Processor, 512 MB RAM, 160 GB Hard Drive, CD-RW Drive, DVD-ROM Drive) (Discontinued by Manufacturer) Includes - HP Pavilion a800n Desktop PC, HP scroller mouse, HP Internet keyboard, Power cord, Phone cord Front-access ports - 9-in-1 Digital-media memory card reader; USB 2.0 ports; 1 FireWire ( IEEE 1394 ) port Rear ports - USB (2.0) Four / IEEE 1394 One / Audio One each (line-in, line-out, microphone) / Serial One AMD Athlon XP 2.2GHz Processor 512MB DDR PC2700 Memory occupying 1 of 2 DIMM slots - upgradeable to 2GB