This Sun Microsystems Temperature Sensor Unit (part number 371-2242) is a must-have for M8000 and M9000 servers. It is designed to accurately measure temperatures within your server, ensuring optimal performance and preventing hardware damage. This unit is compatible with various servers and is easy to install, making it an ideal addition for any enterprise IT system. With its reliable brand and high-quality design, you can trust that this temperature sensor unit will provide you with the information you need to keep your server running smoothly.