EVGA GTX 970 ACX 1.0 4GB GDDR5 256bit, DVI-I, DVI-D, HDMI, DP SLI Ready Graphics Card (04G-P4-0972-KR) Base Clock: 1050 MHZ Boost Clock: 1178 MHz Memory Clock: 7010 MHz Effective CUDA Cores: 1664 Bus Type: PCI-E 3.0 Memory Detail: 4096MB GDDR5 Memory Bit Width: 256 Bit- Memory Speed: 0.28ns Memory Bandwidth: 224.3 GB/s- Height: 4.376in - 111.15mm Length: 9.5in - 241.3mm Width: Dual Slot NVIDIA Dynamic Super Resolution Technology NVIDIA MFAA Technology NVIDA Game Works Technology NVIDIA Game Stream Technology NVIDIA G-SYNC Ready Microsoft DirectX 12 NVIDIA GPU Boost 2.0 NVIDIA Adaptive Vertical Sync NVIDIA Surround Technology NVIDIA SLI Ready NVIDIA CUDA Technology OpenGL 4.4 Support OpenCL Support HDMI 2.0, Display Port 1.2 and Dual-link DVI PCI Express 3.0 Max Monitors Supported: 4 240Hz Max Refresh Rate Max Analog: 2048x1536 Max Digital: 4096x2160