News from Guru3d.com This set is whql and the version is 15.53. Supported mobos, nForce 7 series: 790i SLI, 790i Ultra SLI, 780i SLI nForce 6 series: 680i SLI, 680i LT SLI, 680a SLI nForce 5 series: 550, 570 Ultra AMD, 590 SLI AMD, 570 SLI AMD 32 Bit, http://www.nvidia.com/object/nforce_...bit_15.53.html 64 Bit, http://www.nvidia.com/object/nforce_...bit_15.53.html