this one could be one option: EVGA GT 730 2GB gddr5 [URL] or ASUS GT 710 2GB gddr5 [URL] do you need to run three 1080p monitors at same time?  HD=720p, FHD=1080p
Could somebody suggest a currently available video card which would be compatible with this model Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz 4.00 GB 64-bit operating system, x64-based processor Video: Discrete PCI Express x16  basic input/output system (BIOS) not uefi After a recent windows upgrade the existing card (amd radeon 4800) ceased to work . (No drivers are installed for this device) I assuming it is no longer compatible with W10. Space is limited in this computer The psu has been replaced by a larger one  
XPS 435MT, 2009, video card upgrade?