RAX421-XJ 2U Rackmount EnclosureThe CRU RAX421-XJ 4-Bay JBOD 2U Rackmount Enclosure offers 6 Gbps performance with a Multilane SFF-8088 interface supporting four 3.5" SATA hard drives. The DataPort 10 removable drive carrier offers the ultimate HDD protection with its metal design and vibrations resistant protection.RAX421-XJ, with 6 Gbps performance, is an ideal solution for post production audio and video editing, storage or backups of large amounts of data. The DataPort 10 carriers also offer HDD hot swapping.