The RayStorm Pro is the highest performance and best quality waterblock XSPC has ever made. The waterblock top and new high performance base are CNC machined from pure copper, while the bracket is made from cnc'd aluminium with an acrylic insert for LED lighting. This give the block a solid and premium quality, appearance and feel. As well as the performance and quality advances, we have introduced a new mounting system that's easier to use and applies the correct pressure, every time. Supplied with mounting hardware, 1150/1151/1155/1156, and 1366 backplates, allen key, and K3 thermal paste.