WD 16TB WD Sentinel RX4100 1U Rackmount Small Business Network File Storage Server iSCSI NAS (WDBLVH0160KBK-NESN) Unified storage with integrated NAS, iSCSI SAN and backup server in a 1U rack mount enclosure Easy to set up, easy to administer Enterprise-grade data protection for up to 25 computers in a small business Fast and secure shared network storage Secure remote access to business data (sub-domain included) 3 years worldwide warranty