The San Ace 40 Supermicro FAN-0061L4 Server Cooling Fans are high-quality server cooling fans designed for optimal performance in server environments. With a fan size of 40mm and a bearing type of ball, these fans provide efficient and reliable cooling for enterprise networking and server systems. The universal compatibility ensures they can be used with various server brands, making them a versatile choice for businesses looking to maintain their server's temperature within optimal levels. Upgrade your server cooling system with these Supermicro cooling fans for enhanced performance and stability.