Full Details from Amazon.com : http://www.amazon.com/gp/product/B00R3NK340?tag=onigi-20

EVGA GTX980 Superclocked 4GB GDDR5 256bit DVI-I DP x 3 HDMI SLI Ready Graphics Card 04G-P4-1982-KR

Base Clock 1241 MHZ Boost Clock 1342 MHZ Memory Clock 7010 MHZ effective CUDA Cores 2048
Bus Type PCI-E 30 Memory Detail 4096MB GDDR5 Memory Bit Width 256 Bit
Height 4376in - 11115mm Length 105in - 2667mm Width Dual SlotNVIDIA Dynamic Super Resolution Technology NVIDIA MFAA Technology NVIDA Game Works Technology NVIDIA Game Stream Technology NVIDIA G-SYNC Ready Microsoft DirectX 12
Max Monitors Supported 4 240Hz Max Refresh Rate Max Analog 2048x1536 Max Digital 4096x2160 NVIDIA CUDA Technology Open GL 44 Support Open CL Support HDMI 20 Display Port 12 and Dual-link DVI PCI Express 30
NVIDIA GPU Boost 20 NVIDIA Adaptive Vertical Sync NVIDIA Surround Technology NVIDIA SLI Ready