The DELTA/Elec FAN-0216L4-1 is a pack of 10 high-quality server fans with a fan size of 40mm. These fans are designed for enterprise networking and server applications, providing efficient cooling for a variety of server components. The fans are compatible with universal brands and feature a 6-PIN connector for easy installation. With a maximum fan speed of 31K RPM and a DC12V power source, these fans offer reliable performance and are ideal for maintaining optimal server temperatures in a professional environment. Made in China by Delta, these fans are a key component for ensuring the smooth operation of server systems.