Gigabyte GeForce GTX 750 Ti Graphic Cards (GV-N75TD5-2GI) Powered by NVIDIA GeForce GTX 750 Ti GPU Integrated with the first 2048MB GDDR5 memory and 128-bit memory interface Core Clock: Base 1020MHz/Boost 1085MHz Features Dual-link DVI-I/DVI-D/HDMI*2 Support PCI Express 3.0 x16 bus interface.If you are planning on using this graphics card as part of an SLI system, the following are required: An SLI certied motherboard with two/three PCIe x16 slots and correct chipset driver,An SLI bridge connector or 3-way SLI bridge connector