Processor

3.7 Quad Core Intel Xeon E5 with 10MB L3 cache and Turbo Boost up to 3.9GHz

RAM

12GB (three 4GB) of 1866MHz DDR3 ECC memory

Hard Drive

‎256GB PCIe-based SSD

Graphics Coprocessor

‎Dual AMD FirePro D300 graphics processors with 2GB of GDDR5 VRAM each 

• 1280 stream processors
• 256-bit-wide memory bus
• 160GB/s memory bandwidth
• 2 teraflops performance

Wireless Type

• ‎802.11ac Wi-Fi wireless networking;³ IEEE 802.11a/b/g/n compatible

•Bluetooth 4.0 wireless technology

Connections

• 4 USB 3

•6 Thunderbolt 2

•Dual Gigabit Ethernet

•HDMI 1.4 Ultra HD

Display Support

•Connect up to: 

◦Three dual-cable 5K displays

◦Six Thunderbolt displays

Audio Support

• Combined optical digital audio output/analog line out minijack

•3.5 mm headphone jack with headset support

•HDMI port supports multichannel audio output

•Built-in speaker