The ICY BOX IB-3640SU3 is a 4-bay JBOD system for working fast with great amounts of data. The high grade aluminium housing holds up to four SATA HDD, the installation is completely tool-less. The fast interfaces (eSATA, USB 3.0) provide high performances with PC and MAC. Thanks to the thermal controlled fan, the IB-3640SU3's operation is silent and the HDD are optimally cooled. The JBOD system features a energy saving sleep mode as well.