Product Detail HP Pavilion m8530f Phenom X4 2.2 GHz Desktop PC General Features: Black color with silver accents Microsoft Windows Vista Home Premium 64-bit with SP1 pre-installed w/CoA AMD Phenom X4 9550 2.2 GHz Quad-Core CPU 5 GB PC2-6400 DDR2 SDRAM (actual available memory may be less due to operating system requirements) 750 GB SATA/300 7200RPM hard drive . The "HP Pavilion Media Center m8530f - Tower - 1 x Phenom X4 9550 / 2.2 GHz - RAM 5 GB - HDD 1 x 750 GB - DVD?RW ?R DL / DVD-RAM - GF 9300M GS - Mdm - Gigabit Ethernet - Vista Home Premium 64-bit - Monitor : none - remarketed" is best product for you. We recommended HP Pavilion Media Center m8530f - Tower - 1 x Phenom X4 9550 / 2.2 GHz - RAM 5 GB - HDD 1 x 750 GB - DVD?RW ?R DL / DVD-RAM - GF 9300M GS - Mdm - Gigabit Ethernet - Vista Home Premium 64-bit - Monitor : none - remarketed