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 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.
in 1 offers
The lowest price for QNAP TS-251D-2G 2-Bay Diskless NAS right now is $730.77 at Amazon.com.au.
The all-time low was $399.00 on 1 Mar 2026 — today's price is 83% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 6 May 2026.
QNAP TS-251D-2G 2-Bay Diskless NAS
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 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.
Last updated at 06/05/2026 00:11:38
QNAP TS-251D-2G 2-Bay 2.0 GHz Quad-Core Processor DDR4 Network Attached Storage
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| General | |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet |
| Total Storage Capacity | 0 GB |
| Installed Devices / Modules Qty | 0 (installed) / 2 (max) |
QNAP TS-251D-2G 2-Bay 2.0 GHz Quad-Core Processor DDR4 Network Attached Storage
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| General | |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet |
| Total Storage Capacity | 0 GB |
| Installed Devices / Modules Qty | 0 (installed) / 2 (max) |
