With their GTX 780 Ti DirectCU II OC, ASUS has an interesting graphics card in its portfolio, which features their capable DirectCU II cooler. In the following article we're going to find out what difference a full-cover water block can make when put on this very card. In this regard we're having a look at the new EK-FC GTX780 DCII waterblock and it will be interesting to see what is going to be possible with this block on a GTX 780 Ti DirectCU II OC.