This is an Apple video display adaptor for taking a VGA/SVGA Cable from older monitors or displays and converting them to the Mini Display port input on a GPU.
VGA/SVGA Male to Mini Display Port Male
The Apple Mini Display Port to VGA/SVGA Adapter allows you to connect your Mac with VGA display or projector. You can use an external display as your primary display, extend your desktop to a second display, or work in mirroring mode with a projector so you can view what your audience sees.
