The advantages of 1156-X Retention Modules are to ensure that the Extreme-X/ Ultra-X is mounted securely on Intel LGA 1156/1155/1150 platforms. It has the same 4 mounting points as the Intel socket 775 style, thereby providing better contact with the CPU and cooler. Caution1156-X Retention modules are designed to be used with Enzotech Products "only"!