The ECC4664EU with Heat Sinks 22.5*6*20 RoHS is an electronic part manufactured by XSD. It is a metal heat sink that is used to dissipate heat generated by electronic components like CPUs, GPUs, and transistors. It measures 22.5cm in length, 6cm in width, and 20cm in height. It is RoHS compliant, which means that it does not contain any hazardous materials like lead, mercury, chlorinated solvents, and cadmium. It is usually used in applications such as PCs, automotive electronics, and consumer electronics.