Fractal Design Silent Series R3 fans offer excellent value for money, with good performance and assured reliability. All Fractal Design Silent Series R3 fans are equipped with long-life rifle bearings and an easy-to-hide, sleek black cable. Available in a large variety of sizes, ranging from compact 40mm fans to full-size 140mm fans, the Silent Series R3 delivers suitable options for replacing loud or damaged fans in both computers and many other electronic devices.