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.

  • The PCIe port supports the installation of a 10GbE/5GbE/2.5GbE/ network expansion card, a QM2 card, a USB 3.2 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
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Data sheet

HDMI
1 x HDMI 2.0
RAM
2GB DDR4
Hard Drive Bays
2
CPU
Intel
CPU Core
Dual Core
USB 2.0
3
USB 3.0
2
Hot-Swap
Yes
PCIe Slot
Yes
CPU Architecture
64-bit x86
M.2 SSD Slot
Optional
Gigabit Ethernet Port
1
2.5GbE Port
Optional(QXG-2G1T-I225)
5GbE Port
Optional(QNA-UC5G1T)
10GbE Port
Optional(QXG-10G1T)
Wi-Fi 6 Support
Optional(QXP-W6-AX200)

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