Provided are a tantalum solid electrolytic capacitor having a reduced leakage current and a method for manufacturing the tantalum solid electrolytic capacitor. The IO controller sends the data to the memory via a first bus connected between a first port of a memory controller and the IO controller. The hub may include a plurality of retaining lips that will retain a disk when placed on the hub. The disclosed tool assembly includes a rotating cutting tool coupled to an end of a rotational machining device, such as a lathe.