EK-Quantum Magnitude Cold plate - Flat Copper is a special cold plate, engineered without any curvature to be used with lapped IHS or for bare-die cooling.The regular Magnitude cold plates are made with specific curvature depending on the socket type in order in order to make the best contact and most pressure on the die and avoid raised parts of the IHS, Due to that curvature, they are not ideal for uses when the stock IHS is lapped or removed. This is easily remedied by replacing the stock cold plate with the EK-Quantum Magnitude Coldplate Flat Copper, which has perfect fitment unto flat surfaces.Important: only use 0.5P jet plate for Intel 20XX and AMD AM4 versions of the block, and 0.5C for Intel 115X version.This cold plate is made of high-grade copper.