DisplayPort is the newest digital display interface standard introduced by VESA. Here's a simple solution for connecting your DisplayPort equipped devices using DVI cables to your existing DVI devices. This simple adapter is all you need to convert from DisplayPort to DVI.
This DisplayPort to DVI adapter lets you connect a DVI-D display to a DisplayPort video source (DisplayPort video cards, etc.), eliminating the expense of having to upgrade to a DisplayPort capable display.