GEFORCE GTX SLI HB BRIDGE Take your gaming performance to a whole new level by connecting multiple GeForce GTX cards with NVIDIA SLI technology. GeForce GTX SLI HB bridges are available in a variety of 2-way configurations for maximum flexibility, and are available at the NVIDIA Gear Store. Supported Graphic Cards These advanced bridges are designed for GeForce GTX cards with SLI support (GeForce GTX 770, GTX 780, GTX 780 Ti, GTX 970, GTX 980, GTX 980 Ti, GTX 1070, GTX 1080 and GTX TITAN series). The SLI Bridge LED is supported on NVIDIA reference designs. The LED Visualizer requires GeForce Experience™ version 1.7 or higher.