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What is the difference between DVI-I and DVI-D?

Last Updated: Nov 03, 2014 12:04PM CST
DVI, or Digital Video Interface, comes in a variety of connections.  These are typically white and found on the backs of both monitors and video cards.  There are two primary types of DVI connectors:

and DVI-D:

You'll notice the DVI-I connection has four extra pins.  Since DVI-I carries both analog and digital signals, these four extra pins are what carry that analog signal.  DVI-I connections are common on video cards as they offer more ways to connect to a monitor:  Either through a digital DVI connection, or through an analog VGA connection using a DVI-I to VGA adapter (these typically come with the video card at the time of purchase and look like this)

In addition, there are both single-link and dual-link DVI connections.  If you have one of our XL-series PC gaming monitors, you'll want to use either a DVI-D Dual Link cable, or a DisplayPort cable in order to achieve a 120-144Hz refresh rate.  All of our monitors use DVI-D ports as an input.
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