The advantages of LGA2011-Z Retention Modules are to ensure that the LUNA REV.A SCW-REV.A Stealth is mounted securely on Intel LGA 2011 platforms. It has the same 4 mounting points as the Intel socket 775 style, thereby providing better contact with the CPU and cooler.
The Enzotech Type-Z Socket LGA 1366 Retention Module is designed to attach Enzotech liquid cooling blocks to Socket LGA 1366 motherboards to cool Intel Core i7 processors.