This Oracle System Controller Board is perfect for Sun Microsystems M4000/M5000 servers. It is made in Germany and has been fully tested for functionality. The board is compatible with Sun Microsystems CPUs and is a great addition to any server setup. The unit type is a single board and comes with one unit quantity. The board is designed for control panels, IO boards, and planars. The brand of this board is Oracle and it is of the highest quality. With this board, your server components will be fully optimized.e75