Also included is support for 7.1-channel HD audio (with BD playback), support for both SATA-II and SATA-III (6Gb/s) drives, up to five USB 3.0 ports, and up to six triple-channel, DDR3 DIMMs that can be overclocked to 2000. For convenience, many of the ports and connectors are color-coded. Included also is support for eSATA< FireWire, and Gigabit LAN.