The EK-Pro CPU WB AM4 AI+ PA66 21072159 Liquid Cooling System is a high-quality CPU block designed for GPU processors. With a maximum fan speed of 1800 RPM and a voltage of 5V, this cooling system provides efficient and effective cooling for your computer systems. EK-Pro is a trusted brand known for producing reliable and top-notch cooling solutions, making this product a great choice for those looking to enhance the performance of their computer components. PLEASE SEE ALL PICTURES BEFORE BUYING, CHECK IF IT'S THE ONE YOU NEED. NO REFUNDS