Port RJ-45: 1 x 10/100/1000M Port USB: 1 x USB2.0 HDD Interface: 4 x SATA Management: HTTP/HTTPS RAID: 0, 1, 5, 10, JBOD (individual disks) Power: AC 100-240V 50/60 Hz Standards: IEEE802.3ab / IEEE802.3 / IEEE802.3u Standard Features: 4-Drive RAID Storage High Speed Whole Home Backup Free WebAccess Service Access Data From Your iPod touch, iPhone or iPad Multimedia Server BitTorrent Downloader