2.4ghz Intel Core 2 4GB of DDR3 (Can Take 16GB) 500GB EVO SSD nVidia 320M 256 Dedicated Graphics 2K Display Output or Standard 1920x1200/1080 DVD DL Burner Wireless G:N and Bluetooth 4x USB , 1x FW 800, SD Card Slot, HDMI, Display Port. OS X High Sierra