Addonics RAID Tower IV, 4X1 HPM, 4x Diamond DCS ?? (RTIV435DCSR5)

RAID Tower IV (black colour) with 1 4X1 eSATA/USB 2.0 Hardware Port Multiplier installed. Install up to four 3.5" SATA hard drives of any capacity (drives not included). Drives are installed onto drive enclosures that can be added or removed like tape cartridge from each drive bay. RAID diagnostic via LED lights. Can install 3.5" IDE hard drive using optional Diamond IDE drive enclosure. 2.5" SATA or IDE hard drives can also be install with optional bracket and connector adapter