As the pursuit of the highest power and space efficiency of dynamic data centre of ideal products, modular pdus and extended specifically for fixed 1 u server is designed and has a unique architecture. This new design includes short cables on the docking station. This new type of modular PDU users can spread the power to support, in order to reduce the tangle of cables. The PDU has unique modular structure, enables users to effectively spread along the rack power output interface configuration, not only easy to install, and increase the number of the outlet. This new type of high ampere capacity of PDU provides users with a lot of flexibility, the user can in the bracket as the pursuit of the highest power and space efficiency of ideal dynamic data center products, modular pdus and docking stations for 1 u fixed server is designed and has a unique architecture. This new design includes short cables on the docking station. This new type of modular PDU users can scatter power supply to the scaffold