Aspire XC-603 Compact Desktops.: Intel Pentium Processor J2900 (2MB L2 cache 2.41GHz up to 2.6GHz burst frequency) Memory: 4GB (4/0) DDR3L SDRAM Storage: 500GB SATA hard drive 7200RPM; Super-Multi drive; SD card reader Graphics: Integrated Intel HD Graphics (688MHz base frequency 896MHz max dynamic frequency) Communications: Gigabit LAN OS: Windows 7 Professional (64-bit)