● Processor : Annapurna Labs AL314 Quad core 1.7GHz
● Memory : 4GB DDR3L SODIMM RAM (max 8GB), SATA 6Gb/s, 1x 10GbE SFP+ LAN, 1 x 2.5GbE + 1 x GbE LAN
● Slot Bay : 2-Bay NAS
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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.
Dual 2.5GbE ports accelerates file sharing across teams and devices or gaming storage applications.
PCIe expansion allows for a Multi-Gig 10GbE or 5GbE network card, or a QM2 card to add M.2 NVMe or SATA SSDs for caching.
4K media playback and real-time transcoding; directly watch videos on an HDTV via HDMI 2.0 (4K @60Hz) output.
HBS provides comprehensive backup and data recovery; QuDedup deduplicates the data at the source to reduce storage space usage, bandwidth usage, and backup time
Cloud storage gateways realize hybrid cloud applications by working with the cache space reserved on NAS to ensure low-latency data access to the cloud.
Hosts multiple virtual machines and containers to execute different applications in one NAS device.
With a single 2.5GbE connection, no complex link aggregation settings are required for speeds up to 312.5MB/s – easily beating a paired 1GbE connection. The TS-253D has two 2.5GbE ports, further doubling performance and increasing efficiency for versatile tasks.
Hybrid Backup Sync (HBS) consolidates backup and synchronization functions for easily transferring data from the TS-253D to local, remote and cloud storage spaces. HBS also supports QuDedup technology which removes duplicated data at the source, further accelerating backup and restoration tasks over 2.5GbE connections.
The TS-253D features one PCIe 2.0 slot that allows for various expansion cards for expanding application potential.
While SSD prices continue to fall, and SSD capacity and performance continue to increase, organizations can easily take advantage of SSD strengths. The TS-253D supports numerous SSD-aware features that significantly maximize NAS performance with high cost-effectiveness.
|SSD cache acceleration||Qtier for auto-tiering|
|You can add additional SSD over-provisioning (1% ~60%) to avoid write amplification and improve SSD random write speeds and endurance. You can potentially attain enterprise-grade SSD performance levels from affordable consumer SSDs!||Enables SSD caching for increasing IOPS performance and reducing latency for storage volume. This feature is perfect for IOPS-demanding applications including databases and virtualization. The TS-253D also supports write-only cache to boost write-intensive applications.||Qtier technology drives auto-tiered storage with continuous data optimization across high-performance SSDs and high-capacity HDDs based on access frequency. I/O-Aware Qtier can reserve a cache-like space in the SSD tiered to handle burst I/O in real time.|
|CPU||Intel® Celeron® J4125 4-core/4-thread processor, burst up to 2.7 GHz|
|CPU Architecture||64-bit x86|
|Floating Point Unit||√|
|Graphic Processors||Intel® HD Graphics 600|
|System Memory||4 GB SO-DIMM DDR4 (1 x 4 GB)|
|Maximum Memory||8 GB (2 x 4GB)|
|Flash Memory||4GB (Dual boot OS protection)/td>|
|Drive Bay||2 x 3.5-inch SATA 6Gb/s, 3Gb/s|
|Drive Compatibility||3.5-inch SATA hard disk drives|
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
|SSD Cache Acceleration Support||√|
|Gigabit Ethernet Port (RJ45)||2 (2.5G/1G/100M/10M)|
|Wake on LAN (WOL)||√|
|USB 3.2 Gen 1 port||2|
|LED Indicators||Power/Status, LAN, USB, HDD1-2|
|Buttons||Power, USB copy, Reset|
|Dimensions (HxWxD)||168 × 105 × 226 mm|
|Weight (Net)||1.55 kg|
|Weight (Gross)||2.68 kg|
|Operating temperature||0 – 40 °C (32°F – 104°F)|
|Storage Temperature||-20 – 70°C (-4°F – 158°F)|
|Relative Humidity||5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)|
|Power Supply Unit||65W adapter (12VDC), 100-240VAC|
|Power Consumption: HDD Sleep Mode||8.198 W|
|Power Consumption: Operating Mode, Typical||12.448 W|
|Fan||1 x 70mm, 12VDC|
|Kensington Security Slot||√|
|Max. Number of Concurrent Connections (CIFS)||1500|