DVI-A cables are designed to carry only an analog signal. This black 6.6ft cable is perfect if you have a newer graphics card with a DVI output but have a monitor that only supports VGA. DVI cables are used with newer video cards and monitors for higher resolution. DVI-D (Digital) can not convert to VGA (Analog). Only DVI-A (Analog) can be converted into VGA (Analog).Warranty: Life Time for all products, including our entire premium line of cable showcase products. If our technical support team isn't able to find a solution for you, we'll be happy to exchange the item for a new one, even if multiple years have passed.