This IBM Blade Center S comes equipped with Cisco Catalyst Switch Modules 3012 and 43W4401, making it an ideal choice for businesses in need of a high-performance networking solution. With 4 ports and Ethernet (RJ-45) network connections, this unit is perfect for enterprise networking and servers.The product line, BladeCenter, is renowned for its quality and reliability, and this unit is no exception. Made in China, it is a robust and durable unit that will provide years of dependable service. Whether you're looking for a disk controller/RAID card or a server component, this is the perfect addition to your computing setup.E74