Nvidia Geforce GT 730 DDR5

I am planning to buy a GeForce GT 730 2Gb DDR5. I have an old system My motherboard is Intel DH61HO, will is support? My MAIN QUESTION is: Will there be any problem regarding space ,will it be physically fit in my cabin?

I have an Acer TC-705 with NVIDIA GeForce GT 730, which supports 3 monitors. Was working 100% last night. Then windows updated. Only one monitor displayed with 640x480 resolution. Under Display Adapters in Device Manager, Microsoft Basic Display Adapter is listed, NOT my NVIDIA. Things I...