A solid electrolytic capacitor including a valve metal positive electrode, an anodized layer formed on a surface of the positive electrode, a conductive polymer-containing negative electrode conductive layer, and a coupling agent layer and a surface active agent layer placed between the anodized layer and the negative electrode conductive layer. In one embodiment, a system and a method may provide a command protocol and format for communication between a network interface card and a management device such as, for example, an intelligent management device. The data buffer includes a plurality of data storage devices, one or more of which initially contain the selected data. Bar may include a filler pole for rigidity especially in longer length devices.