Most people know that DVI-D cables two in two flavors. Single Link and Dual Link, but most 
don't have any idea what the difference is so I'll start there. Single and Dual link cables are exactly the same with the exception that the Dual link cable has twice the pins to transmit data on. Single link can support bandwidths of 25-165 MHz while dual link can support bandwidths up to 330 MHz So at this point we can see Dual Link cables can transmit twice as much data, but what good does this do you? Most people have the 
common misconception that more bandwidth means a better cable, but that is not true by any means (especially with DVI, you want to get the RIGHT cable for the application, not the one with the higher price tag, which most people associate as better). This is actually a way to figure out which cable you need. You will start with the target resolution, in this case the customer expects to use 2016 X 1680 and we will assume at 60Hz (pretty much standard). Now that we know the desired resolution we need to figure 
out how much bandwidth is required. This is actually simpler than most people think. Horizontal Resolution times Vertical resolution times Frequency will result in the required bandwidth. So in this case; 2016 x 1680 x 60Hz = 203,212,800.00 Hz or (203MHz) Bandwidth Required As you can see this is very high resolution, and it requires a lot of bandwidth. So this customer needs a dual link cable since we know if the resolution require more than 165MHz you need a dual link. On 
the hand let’s take a look at a more common resolution that people think they NEED a dual link cable for. 1600 x 1200 x 60Hz = 115,200,000 Hz (115MHz) Bandwidth Required Single Link will work here. 1920 x 1080 x 60 Hz (1080p HDTV Resolution) = 124,416,000 (124 MHz) Bandwidth Required. Single Link will work here too! Here you can see even the most fancy HDTV you can buy only require Single Link! Despite what some people think. What I find more interesting is that the refresh rate really requires some bandwidth. Lets revisit one of the above resolutions again but change the refresh rate to one that is more common with PC's 1600 x 1200 x 75 Hz = 144,000,000 (144MHz). Believe it or not this requires a Dual Link cable as well. So next time you go to order a DVI-D cable and are not sure which you need (single or dual link) just remember. Horizontal Resolution times Vertical Resolution times Refresh Rate = required Bandwidth.
don't have any idea what the difference is so I'll start there. Single and Dual link cables are exactly the same with the exception that the Dual link cable has twice the pins to transmit data on. Single link can support bandwidths of 25-165 MHz while dual link can support bandwidths up to 330 MHz So at this point we can see Dual Link cables can transmit twice as much data, but what good does this do you? Most people have the common misconception that more bandwidth means a better cable, but that is not true by any means (especially with DVI, you want to get the RIGHT cable for the application, not the one with the higher price tag, which most people associate as better). This is actually a way to figure out which cable you need. You will start with the target resolution, in this case the customer expects to use 2016 X 1680 and we will assume at 60Hz (pretty much standard). Now that we know the desired resolution we need to figure out how much bandwidth is required. This is actually simpler than most people think. Horizontal Resolution times Vertical resolution times Frequency will result in the required bandwidth. So in this case; 2016 x 1680 x 60Hz = 203,212,800.00 Hz or (203MHz) Bandwidth Required As you can see this is very high resolution, and it requires a lot of bandwidth. So this customer needs a dual link cable since we know if the resolution require more than 165MHz you need a dual link. On the hand let’s take a look at a more common resolution that people think they NEED a dual link cable for. 1600 x 1200 x 60Hz = 115,200,000 Hz (115MHz) Bandwidth Required Single Link will work here. 1920 x 1080 x 60 Hz (1080p HDTV Resolution) = 124,416,000 (124 MHz) Bandwidth Required. Single Link will work here too! Here you can see even the most fancy HDTV you can buy only require Single Link! Despite what some people think. What I find more interesting is that the refresh rate really requires some bandwidth. Lets revisit one of the above resolutions again but change the refresh rate to one that is more common with PC's 1600 x 1200 x 75 Hz = 144,000,000 (144MHz). Believe it or not this requires a Dual Link cable as well. So next time you go to order a DVI-D cable and are not sure which you need (single or dual link) just remember. Horizontal Resolution times Vertical Resolution times Refresh Rate = required Bandwidth.
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