Lenovo Ideacentre H320 Series 40411DU Desktop (Black) (Discontinued by Manufacturer) Intel Core i3-550 dual core, 3.2 GHz, 2 cores, 4 threads 4 GB PC3-8500, 1066 MHz DDR3, non parity, dual channel capable, four 240 pin DIMM sockets, (8GB max) 1 TB Hard Drive 7200 RPM, DVDRW Integrated Intel HD Graphics, Wired PS/2 Keyboard / USB Mouse Windows 7 Home Premium 64 Bit