Asus NVIDIA 3-Way SLI Bridge 80-C1BKG0-00A11 Genuine nVIDIA Multi GPU 3-Way SLi Bridge Connector for GeForce GTX 680/670/580/570/480/470/465/285/280/275/260, 9800GTX+/9800GTX/8800GTX/8800Ultra Desktop Video Graphics Cards.