EVGA Pro SLI Bridge LED will NOT work with older 970s (does work with new SSC and FTW+)
MSI GeForce GTX 970 Gaming 4GB + MSI SLI Bridge
What Is SLI & List Of SLI Compatible Cards [Guide] - GPU Mag
PC Case Gear - Check out what lies within the new PCCG Krait 970 SLI gaming system! Dual EVGA GeForce GTX 970 FTW cards in SLI with an Intel Core i7 4790K
Evga Gtx 970 Two Cards Sli Bridge For Sale in Ballincollig, Cork from Danger781