HP Pavilion a810n Desktop PC (AMD Athlon 64 3300+ Processor, 512 MB RAM, 160 GB Hard Drive, Dbl Layer 16X DVD+/-RW/CR-RW Drive, CD-ROM Drive) (Discontinued by Manufacturer) AMD Athlon 64 3300+ Processor 2.40GHz with up to 1600MHz system bus 512MB PC3300 DDR upgradeable to 2GB (2 DIMM Slots; 1 available) SIS Mirage-2 Graphics uses 128MB shared memory Up to 56K dial-up modem with RJ11 port / RJ45 10/100 Ethernet for Network or broadband web access Integrated audio