The iR2623-S3 model is a fault-tolerant hard disk array machine which is easy to install and hot-swappable while the power is on. It is suitable for applications such as professional personal workstations, important PC servers, etc. as real-time backup storage equipment. The iR2623-S3’s disk array is made up of two 3.5" hard disks, augmented by a 2.5" hard disk or SSD extractable tray designed internally with individual SATA interface to diversify usage, so iR2623-S3 is both data security and data on the move two-in-one storage device.