The Bykski RAY MK block strives for exceptional design, unparalleled innovation, and meticulous craftsmanship to unlock remarkable performance and create stunning aesthetics. The RAY MK block features a .2mm spray-type micro-channel design. This increases the heat absorption surface area and provides a larger heat dissipation capacity. A 5v Addressable RGB (RBW) light strip is included on the PMMA model, adding to the unique appearance.Standard FeaturesUnique .2mm Channel DesignPure Copper for High Heat ApplicationsDesigned to Fit Standard G1/4 Thread FittingsCompatibilityAMD Socket: AM5/AM4 - SWRX8 - STRX4 - TR4 - SP3Parts IncludedCPU Water Cooling BlockInstallation Hardware, including thermal paste5v Addressable RGB (RBW)(Warning: Addressable RGB (RBW) is 5V and is ONLY compatible with Addressable RGB (RBW) components. RGB is 12V and is ONLY compatible with RGB components. Mix and match will NOT work and will cause damage.WarningsPlease pay attention to the inlet/outlet during installation. The wrong direction during installation will affect the heat dissipation performance. The manufacturer reserves the right to alter the block design to expand compatibility. The delivered item may not 100% match the pictured item. The product does NOT include English installation instructions.This product is designed for self-installation. The manufacturer is not liable for any damages resulting from misuse, including, but not limited to, improper installation or the use of incompatible hardware or fluids. By using this product, you accept all related risks.