Will a 128 bit graphics card work in a 64 bit computer?

Yes, a 128-bit graphics card can work in a 64-bit computer, as the bit depth of the graphics card refers to its memory bandwidth and data processing capabilities, not the system architecture. A 64-bit computer can handle 32-bit and 64-bit applications, and it is compatible with various graphics cards regardless of their bit depth. However, to utilize the full potential of the graphics card, the system should have compatible hardware and sufficient power supply.