The hp ethernet 10gbe dual port 561t adapter features the latest generation 10 gbe intel ethernet controller x540 the hp 561t is a low cost low power dual port 10gbase t adapter designed for use in hp proliant gen8 rack tower and scalable servers the hp 561t addresses the demanding needs of the next generation data center by providing unmatched features for virtualization and scalability to keep up with the hp proliant gen8 server platform with proven and reliable performance hp customer