3.5 GHz Intel Xeon E5 Six-Core / 16GB of 1866 MHz DDR3 ECC RAM / 2 x AMD FirePro D500 with 3GB of GDDR5 / SSD 256GB PCIe-based flash storage / 4 x USB 3.0 / 1 x HDMI 1.4 / 6 x mini DisplayPort /