GTX 970 SLI Performance in 4K, 2560×1440 & 1080p

In this video I take a look at how 2x Nvidia GeForce GTX 970's perform in SLI, both at stock and overclocked, in 1080p, 2560x1440 and 4k. I also compare the results against SLI GTX 780's and a single 970 &...