GR5640-SB3 offers multiple host interfaces of Super-speed USB 3.1 Gen 1/eSATA and the equipped LCM enables the convenience of configuration for a desired RAID level among JBOD / RAID 5 / RAID 0 by fully taking the advantage from the largest supporting capacity up to 40TB above. GR5640-SB3 is not only giving a big storage capacity , but delivering data security and performance to various applications and environments.