iS1010, a 2 Bays compact internal JBOD module developed to fit in a standard 5.25” CD-ROM bay, and accommodates mix match HDD from one of 3.5” HDD and one of 2.5” HDD. The unique tray-less design and hot-swap functions increases data mobility also enhanced data management among HDD. iS1010 efficiently offers user an convenient and flexible usage with 3.5” HDD and 2.5” HDD from a limited space.