Desktop Power! Featuring a Pentium 4 2.53 GHz and 512 MB RAM, this Compaq Evo D51S is loaded with features for your everyday computing needs! Microsoft Windows XP Home Edition is pre-installed on the 80 GB hard drive! Watch DVD movies, access media, listen to music CDs with the DVD-ROM drive and load programs with the floppy drive. Video, audio and Ethernet are integrated! A mouse and keyboard are included with this Compaq Evo D51S Mini Desktop!