A power device, including a box body, a power distribution module, at least one power supply module, a handle and a locking member, is provided. The power distribution module is detachably disposed on the box body. The power supply module is detachably disposed on the box body and detachably connected to the power distribution module. The handle is rotatably connected to the power distribution module and adapted to detachably connect the power distribution module to the box body. The locking member is movably disposed on the box body and is adapted to cooperate with the handle to position the power supply module. In addition, a server including the power device is also provided.