Processor

‎2.7GHz 6-core processor with 30MB L3 cache

RAM

64GB of 1866MHz DDR3 ECC memory (four 16GB)

Hard Drive

‎512GB PCIe-based SSD

Graphics Coprocessor

‎Dual AMD FirePro D700 graphics processors with 6GB of GDDR5 VRAM each 

• • 2048 stream processors
  • 384-bit-wide memory bus
  • 264GB/s memory bandwidth
  • 3.5 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