* Flash Memory: 128MB DOM * HDD: 4 x 3.5" SATA I/II HDD, ( the standard system is shipped without HDD) , up to 8TB* HDD Tray: 4 x hot-swappable and lockable tray * LAN Port: 2 x Gigabit RJ-45 Ether, 5 x USB 2.0, 2 x eSata, LCD panel.* Single disk,
Website: http://www.qnap.com/pro_detail_hardware.asp?p_id=110