The TS-251D integrates secure data storage & multimedia entertainment into one device. Featuring a PCIe slot, the TS-251D means that you can flexibly extend NAS functionality & potential applications. You can enhance overall system performance by installing a QNAP QM2 card for M.2 SSD caching/10 Gb E connectivity combined with Qtier auto-tiering storage & installing a 10 Gb E/5 Gb E/2.5 Gb E network expansion card. In addition, TS-251D can be used with QNAP&153;s smart AI photo management application, Qu Magie, which integrates AI image recognition to group similar photos together in album &156; People&157;, &156; Things&157; & &156; Places&157;. The TS-251D features an HDMI slot to stream multimedia throughout your home. The TS-251D supports dual-channel hardware decoding & transcoding, allowing you to view NAS media files smoothly across various devices.nn Intel&174; Celeron&174; J4005 Dual-Core Processor & AES-NI Hardware Encryptionn Powered by Intel&174; Celeron&174; J4005 dual-core 2.0 GHz processor (burst up to 2.7 GHz), DDR4 RAM (up to 8 GB), one Gigabit LAN port, & supports SATA 6 Gb/s hard drives, the TS-251D combines network expansion cards to create dependable read/write performance. The TS-251D features Intel&174; AES-NI 256 hardware-accelerated encryption for both full NAS volumes & shared folders, boosting system performance while securing sensitive data stored in the TS-251D.nn Smart AI Photo Managementn Qu Magie integrates Qu Magie Core AI image recognition technology for facial recognition, subject identification, & geotagging photos. Similar photos are categorized into People, Places, & Things albums. Moreover, Qu Magie features a built-in timeline scroll, customizable folder covers, i OS&174; Live Photo display & a powerful search tool, to provide you with the ultimate photo management & image sharing solution.nn Real-Time 4K Video Transcodingn Featuring advanced Intel&174; UHD Graphics, the TS-251D supports dual-channel 4K hardware decoding & 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&174; Media Server to stream media files to mobile devices & media streaming devices (including DLNA&174;, Roku&174;, Apple TV&174; (via Qmedia), Amazon Fire TV&174; & Chromecast&132;&162;). 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.nn Multiple Ways To Enjoy Your Multimedian QNAP provides a wide range of multimedia applications for you to easily enjoy photos, music, & videos.nn Easy & Secure File Managementn File Station centralizes files stored on your TS-251D & in the cloud. You can easily upload files from your computer, drag & drop files between folders, rename files, delete files, & configure file & folder permissions to prevent unauthorized access. Moreover, with Microsoft Office Online you can open & modify Microsoft Office documents stored on the TS-251D, without having to download Word documents, Excel worksheets, & Power Point presentations from your NAS to the PC. When it comes to sharing sensitive or confidential files on the TS-251D, you can use File Station to enhance data security effectively by encrypting files into a. qenc file, set a password, & then have file recipients use QENC Decrypter to decrypt the sent file.nn Multi-Point File Backup, Access, & Syncn The TS-251D stores data & files centrally, & supports file sharing protocols, including SMB/CIFS, AFP & NFS for Windows&174;, Mac&174;, & Linux&174;/UNIX&174; 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, & 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. in addition, Qu Dedup technology greatly improves the efficiency of multi-version backup to the destination storage, while optimizing storage utilization. You can install the Qu Dedup Extract Tool on your computer & restore deduplicated files to their normal status.nn Protect Important Data With Snapshotsn Snapshots help protect your data by fully recording the NAS system state & metadata. You can use snapshots to quickly restore files to a previously-recorded state when files are accidentally deleted or modified, or when the system is compromised by ransomware. QNAP snapshots are block-based & only record modified data. Not only does this save storage space, but also reduces the time required to back up & restore data.nn Extend NAS Functionality With The PCIe Slotn With a PCIe expansion Gen 2.0 x 4 slot, the TS-251D provides flexibility in extending NAS functionality & potential applications. To optimize system performance, install a QNAP QM2 card for M.2 SSD caching/10 Gb E connectivity & use with Qtier tiered storage for optimal system performance. You can also use the TS-251D as a wireless access point by installing a compatible QNAP QWA-AC2600 wireless network card to create a wireless media streaming environment. Moreover, by configuring the QXG-10 Gb E/5 Gb E network expansion cards, you can upgrade your network to high-speed connectivity with an existing CAT 5e cable. Alternatively, you can add an affordable QNAP QNA-UC5G1T USB (Universal Serial Bus) 3.2 Gen 1 to 5 Gb E adapter to your TS-251D & laptop to enjoy higher network speeds, or boost the USB (Universal Serial Bus) connectivity of the TS-251D by installing a USB (Universal Serial Bus) 3.2 Gen 2 (10 Gbps) card.nn QVR Pro Safeguards Your Environmentn QNAP&153;s QVR Pro surveillance solution means that you can arrange dedicated, independent storage space for surveillance data on the TS-251D & leverages scalable storage advantages. With QVR Pro, camera management, storage space allocation, camera live view, & playback is greatly simplified. You can also use USB (Universal Serial Bus) webcams as network cameras with the QUSBCam 2 app, & remotely monitor surveillance feeds anytime with QVR Pro Client mobile app.nn Multiply Your Productivityn The app-driven QTS operating system provides solutions for simplifying file backup, management, search, & more.nn Qmail Agentn Centrally manage & switch between different email accounts, back up emails to the NAS, & safeguard email security & personal privacy.nn Notes Station 3n Notes Station 3 can bring the advantages of collaborative note-taking with enhanced productivity to provide higher efficiency for your workgroup.nn Smart Filingn Qfiling automates file organization. Files are automatically archived into folders based on your settings.nn Full-Text Searchn Qsirch quickly finds images, music, videos, documents, emails, & other files.nn Flexible & Economical Storage Expansionn QNAP provides an easy & flexible solution for increasing storage capacity before you run out of storage space. Here are the following ways you can expand NAS storage for accommodating data & business growth:nn Upgrade RAID Capacityn Hot-swap lower-capacity drives with larger-capacity drives for your QNAP NAS to grow with your business.nn VJBODn 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.nn Attach Expansion Enclosuresn Easily expand NAS capacity by connecting two TR-002, TR-004 USB (Universal Serial Bus) hardware RAID external enclosures with QNAP&153;s Storage & Snapshots Manager application.\n\n\n\n\n\n\n\n\n\n Model: TS-251D\n\n Datasheet: http://objects.icecat.biz/objects/mmo_81627297_1599505091_8185_24091.pdf\n\n\n\n Manual: http://objects.icecat.biz/objects/mmo_81627297_1599505092_418_16180.pdf\n\n\n\n\n\n\n\n