Second hand computer system(hp computer)1.C2D E6750, 2G(DDR2) ram, 320G sata HDD, vga-on, DVD multi2. PD 945, 1G ram, 250G sata HDD, vga-on, DVD multi3. 775 P4 3.0ghz, 1G ram, 160G sata, vga-on, DVD multiIf interested, please contact or leave messege.regards,