The PCIe port supports the installation of a 10GbE/5GbE/2.5GbE/ network expansion card, a QM2 card, a USB 3.1 Gen 2 (10Gbps) card, or a wireless network card. Provide 4K media playback and online transcoding, while enabling cross-device multimedia viewing via HDMI output or streaming applications. Snapshots fully record the system status and data. If files are accidentally deleted or modified, you can quickly restore previously-recorded data. QNAP provides a wide range of multimedia applications. You can manage all apps through the Multimedia Console to simplify management. HBS backs up and synchronizes NAS data to other remote servers or cloud storage, while QuDedup deduplicates data at the source to reduce network bandwidth and storage space. Use VJBOD (Virtual JBOD) to expand your storage capacity by using the unused storage of other QNAP NAS. Connect up to two TR series USB storage enclosure. The TS-251D integrates secure data storage and multimedia entertainment into one device. Featuring a PCIe slot, the TS-251D allows you to flexibly extend NAS functionality and potential applications. You can enhance overall system performance by installing a QNAP QM2 card for M.2 SSD caching/10GbE connectivity combined with Qtier auto-tiering storage and installing a 10GbE/5GbE/2.5GbE network expansion card. In addition, TS-251D can be used with QNAP’s smart AI photo management application, QuMagie, which integrates AI image recognition to group similar photos together in album “People”, “Things” and “Places”. The TS-251D features an HDMI slot to stream multimedia throughout your home. The TS-251D supports dual-channel hardware decoding and transcoding, allowing you to view NAS media files smoothly across various devices. Smart AI Photo Management QuMagie integrates QuMagie Core AI image recognition technology for facial recognition, subject identification, and geotagging photos. Similar photos are categorized into People, Places, and Things albums. Moreover, QuMagie features a built-in timeline scroll, customizable folder covers, iOS Live Photo display and a powerful search tool, to provide you with the ultimate photo management and image sharing solution. Real-Time 4K Video Transcoding Featuring advanced Intel UHD Graphics, the TS-251D supports dual-channel 4K hardware decoding and real-time transcoding, allowing you to convert videos to universal file formats that can be smoothly played across various devices*. You can also watch high-quality 4K media files on an HDTV using the HDMI output or with Plex Media Server to stream media files to mobile devices and media streaming devices (including DLNA, Roku, Apple TV, Amazon Fire TV and Chromecast). The QNAP RM-IR004 remote control (sold separately) can be configured using QButton to customize individual button actions, providing a more user-friendly NAS experience. Multi-Point File Backup, Access, and Sync The TS-251D stores data and files centrally, and supports file sharing protocols, including SMB/CIFS, AFP and NFS for Windows, Mac, and Linux/UNIX devices. Coupled with Qsync (a utility that transforms a QNAP NAS into a secure, high-capacity data center for file synchronization) any file uploaded to the TS-251D becomes available for all linked devices, such as computers, laptops, and mobile devices. Hybrid Backup Sync helps you easily backup or synchronize data on the TS-251D to another QNAP NAS, remote servers, or cloud storage for disaster recovery. Additionally, QuDedup technology greatly improves the efficiency of multi-version backup to the destination storage, while optimizing storage utilization. You can install the QuDedup Extract Tool on your computer and restore deduplicated files to their normal status. Multiply Your Productivity QmailAgent - Centrally manage and switch between different email accounts, back up emails to the NAS, and safeguard email security and personal privacy. Notes Station 3 - Notes Station 3 can bring the advantages of collaborative note-taking with improved productivity to provide higher efficiency for your workgroup. Smart Filing - Qfiling automates file organization. Files are automatically archived into folders based on your settings. Full-Text Search - Qsirch quickly finds images, music, videos, documents, emails, and other files. Flexible and Economical Storage Expansion Upgrade RAID Capacity - Hot-swap lower-capacity drives with larger-capacity drives for your QNAP NAS to grow with your business. VJBOD - Use Virtual JBOD (VJBOD) to expand storage capacity by using unused storage in other QNAP NAS. Up to 8 QNAP NAS can be mounted as local disks on the TS-251D. Attach Expansion Enclosures - Easily expand NAS capacity by connecting two TR-002, TR-004 USB hardware RAID external enclosures with QNAP’s Storage & Snapshots Manager application.
