WD 4TB WD Sentinel DX4000 Small Business Network File Storage Server iSCSI NAS Plug-and-play installation Complete Support for Mac OS Build-in secure remote access Equipped with a built-in DLNA media server Dual Gigabit Ethernet and dual USB 3.0 ports 25 client computer backup and restore licenses included Secure remote access via a Web browser, plus a free Web sub-domain Easily manage the setup, administration and deployment of iSCSI storage capabilities