The 2.5" Disk Array BPN-124K-SA to be set up in various configurations as RAID 0, RAID 1, RAID 5 or JBOD as individual drives. The unit is featured with HDD hot-swappable, which can remove or add HDDs to the system without turning off the computers. The back plane connection include SATA connectors and each drive is equipped with power and drive activity LEDs.