Model number: E5 2650 V4. The motherboard's gray RAM slots (#3/#4) will not work alone. M. 2 interfaces: 1 M.2 interface (supporting PCIE M. 2/SATAM. Jlpc: 1 2x5pin battery. Audio: 1 2x5PIN pin. ATXPWR interface: 1 standard 1X8PIN power socket: 1 standard 1X24PIN power socket. ).