Product Detail HP Pavilion 864n Media Center Desktop PC Features 2.66-GHz Pentium 4, 512 MB RAM, 160 GB Hard Drive . The "HP Pavilion 864n Media Center Desktop PC 2.66-GHz Pentium 4, 512 MB RAM, 160 GB Hard Drive" is best product for you. We recommended HP Pavilion 864n Media Center Desktop PC 2.66-GHz Pentium 4, 512 MB RAM, 160 GB Hard Drive