NVIDIA GeForce GTX Titan X 12GB GDDR5 Pascal Graphics Card 900-1G611-2500-000

Tested working with benchmark
Serial number in gallery may not match what you get 

• 12GB 384-Bit GDDR5X
• Core Clock 1417 MHz
• Boost Clock 1531 MHz
• 1 x DVI 1 x HDMI 3 x DisplayPort
• 3584 Cores CUDA Cores
• PCI Express 3.0 x16

Power connectors: 1x 6-pin 1x 8-pin
Power supply requirements: 600Watt