ASUSTOR NAS Storage Capacity Expander, AS6004U

The ASUSTOR storage capacity expander uses a smart temperature control system to keep the system running smoothly. RAID and AES 256-bit encryption supported by the ASUSTOR AS6004U system helps protect your data. Has a 40TB supported HDD capacity. Supports RAID and AES 256-bit encryption for protection of your data. USB 3.0 port with a cable safety bracket to help ensure a secure connection. Smart temperature control maintains consistent performance. Secure Disk Tray Lock Design stops hard disks from being released accidentally. 4 total 2-1/2in x 3-1/2in bays.