Acer XC-603 Intel Pentium Processor J2900 (2MB L2 cache 2.41GHz up to 2.6GHz burst frequency) Integrated Intel HD Graphics (688MHz base frequency 896MHz max dynamic frequency) 4GB (4/0) DDR3L SDRAM 500GB SATA hard drive 7200RPM; Super-Multi drive; SD card reader Windows 8.1 (64-bit)