DDR4 Unbuffered DIMM for desktop Adopting cutting-edge technology, all KLEVV memory modules are tested and produced by a rigorous quality control process for the best-in-class performance and stable operation. Unique Design for RGB LED bar Following the design philosophy of CRAS series, another new and refined RGB LED bar design is born. Rigorous Test for High Quality Rigorous test procedure to ensure highest quality and reliability. Made and tested in Korea Reduced Voltage, Ultra-lower Power Consumption and Strong Thermal Conductivity CRAS XR RGB applied a pure aluminium metal heat spreader to maximize the thermal conductivity. XMP 2. 0 One-step Overclocking Supports Intel XMP (Extreme Memory Profile) 2. 0 for one-click overclocking.