EVGA GeForce GTX770 SuperClocked with EVGA ACX Cooler, 2GB GDDR5 256bit, DL DVI-I, DVI-D, HDMI, DP, SLI Ready Graphics Cards (02G-P4-2774-KR) Microsoft DirectX 12 API (feature level 11_0) Support Base Clock: 1111 MHz Boost Clock: 1163 MHz Memory Clock: 7010 MHz Effective CUDA Cores: 1536 2048MB GDDR5 256bit Memory, EVGA 3 Year Warranty(Registration Recommended).