The Sans Digital MobileSTOR MS2UT+B is a compact, 2-bay external RAID enclosure supporting RAID 0, RAID 1, SAFE33, and SAFE50 configurations. It features dual hot-swappable drive trays and offers connectivity via USB 2.0 and eSATA, with data transfer speeds up to 480Mbps and 1.5Gbps respectively. A temperature-controlled cooling fan is included.