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.

QNAP TS-251D 2-Bay NAS, Intel Celeron J3355 Dual-Core 2.0GHz with 4GB RAM, 1xGbE, PCIe Slot for 10GbE, AES-NI Encryption, 4K Hardware Transcoding, 4K HDMI v1.4b Intel Celeron J4005 dual-core 2 0 GHz processor (burst up to 2 7 GHz) Intel HD Graphics 600 HDMI Out 4 GB SO-DIMM DDR4 (1 x 4 GB) 2 x 3 5-inch SATA 6Gb/s 3Gb/s PCI-E Expandability