This is the DVI-D Male to DVI-D Female Port Saver Adapter. It features a DVI-D Male connector on one side. And a DVI-D female connector on the other side. For an in-depth look at the different types of DVI, please watch our overview video here: https://youtu.be/G7vZ7cfE-LM The adapter is what is known as a port saver. This is helpful in reducing wear and tear on your equipment from constant plugging and unplugging. This way you can plug into the adapter instead of into the equipment. The adapter is easy to use and can support resolutions up to 2048x1536. The DVI-I Female to VGA Male Adapter is a quick and easy solution for your video projects.