matters. If not, then just buy the cheapest. The scientific answer is more complicated than "1's and 0's still look like 1's and 0's at the other end" which is the typical answer people give. If that were the case, length of cable wouldn't matter. I would never buy anything more expensive than the cheapest monoprice cable that fits my needs, but here is a good explanation of why it's more complicated than most people think: http://www.howtogeek.com/112636/htg-explains-do-you-really-need-expensive-cables/