1、As a water cooling block designed for INTEL CPU, it is easy to use confidently in the practical life. 2、Bottom plate uses high-grade copper, and it is with a 0.4 mm water channel for rapid heat dissipation. 3、With high performance, this copper base is with anti-oxidation technology, and it is entitled with practial adoptability. 4、It is perfectly adaptive to the CPU with large water contact area, and it can quickly absorb more heat from the CPU. 5、Given that the copper base's thickness is 6mm, and it is strong and durable, made of materials in high quality. Item Type: Water cooling block Model: For PR-XPM-INTEL Dimensions: Approx. 58 x 58mm / 2.28 x 2.28in (floor size, appearance dimensions please refer to the attached drawing) Thickness: Approx. 5.7mm / 0.22in (made of approx. 6mm / 0.24in thick high grade copper) Process: 0.4MM flat cutting Support Platform: For INTEL-115X series 1150 1151 1155 1156. For INTEL-2011 1366 775 series (It requires customer's own backplane.) 1 x Water Cooling Block 1 x Power Supply Cable 1Pack x Screw 1 x Backboard