Check out here our available hard drives and check here on the manufacturer's website which hard drives are compatible with the NAS enclosure.

The TS-431P is a powerful yet easy-to-use network storage center for backup, synchronization, remote access, and home entertainment with many feature-rich apps available, including Notes Station (create digital notes on a secure private cloud and share with colleagues and friends), QmailAgent (centralize email account management and back up emails), and Qcontactz (centrally store and manage contact information). All these apps (and more) are available at no extra cost. The dual-core TS-431P features three USB 3.0 ports and dual LAN ports, delivering outstanding multitasking performance to enhance your productivity & digital life and offering an ideal storage and backup center as a secure private cloud.
  • Centralizesfile storage, sharing and backup with excellent performance
  • Full NASencryption using volume-based technology and hardware acceleration
  • Supports QmailAgent as a mailroomcenter and Qcontactzfor centralizing contact information
  • Synchronize files between theTS-431P, computers, laptops, andmobile devices
  • Stream your multimedialibrary via DLNA®, AirPlay® & Chromecast™
  • Build a surveillance centerto safeguard your home and office

More information can be found on the manufacturer's website or try a Live Demo of QNAP's QTS GUI.