nVidia Quadro/Nvs/Grid Series + Mobile GPUs 348.40 WHQL Driver. - NOTE: Quadro SDI Capture card requires additional WDM driver to operate properly on Windows. WDM Driver Release 1.331.0.1. Supported OS: Windows Vista, Windows 7 - 32/64 bit.

Supports NVIDIA Quadro SDI Capture card.
Note: only compatible with Quadro K6000, K5200, K5000, K4200, K40000, 6000, 5000, 4000, FX 5800, FX4800, FX3800 graphics boards.
Supports NVIDIA Quadro SDI Output card.

Quadro Driver SDI 355.85 WHQL

Windows 7 32-bit, Windows Vista 32-bit
uk.download.nvidia.com/Windows/Quadro_Certified/355.85/355.85-quadro-sdi-win7-winvista-32bit-international-whql.exe

Windows 7 64-bit, Windows Vista 64-bit
uk.download.nvidia.com/Windows/Quadro_Certified/355.85/355.85-quadro-sdi-win7-winvista-64bit-international-whql.exe