QNAP TS-251D-4G SAN/NAS Storage System (TS-251D-4G-US) — Network Hardwares Skip to content

QNAP TS-251D-4G SAN/NAS Storage System (TS-251D-4G-US)

by QNAP
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QNAP TS-251D-4G-US

Intel Dual-Core Multimedia NAS with a PCIe Slot for Extending NAS Functionality

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.

Intel® Celeron® J4025 Dual-Core Processor and AES-NI Hardware Encryption

Powered by Intel® Celeron® J4025 dual-core 2.0 GHz processor (burst up to 2.7 GHz), DDR4 RAM (up to 8 GB), one Gigabit LAN port, and supports SATA 6Gb/s hard drives, the TS-251D combines network expansion cards to create dependable read/write performance. The TS-251D features Intel® AES-NI 256 hardware-accelerated encryption for both full NAS volumes and shared folders, boosting system performance while securing sensitive data stored in the TS-251D.

Smart AI Photo Management

QuMagie integrates QuMagie Core AI image recognition technology for facial recognition, subject identification, and geotagging photos. Similar photos are categorized into People, Places, and Things albums. Moreover, QuMagie features a built-in timeline scroll, customizable folder covers, iOS® Live Photo display and a powerful search tool, to provide you with the ultimate photo management and image sharing solution.

Real-Time 4K Video Transcoding

Featuring advanced Intel®

QNAP TS-251D-4G-US Tech Specs

General Information
Manufacturer:QNAP Systems
Manufacturer Part Number:TS-251D-4G-US
Brand Name:QNAP
Product Model:TS-251D-4G
Product Name:TS-251D-4G SAN/NAS Storage System
Product Type:SAN/NAS Storage System
Storage
Number of Hard Drives Supported:2
Number of Hard Drives Installed:0
Number of Boot Drives:2
Number of Solid State Drive Supported:2
Number of Solid State Drive Installed:0
Flash Memory Capacity:4 GB
Processor & Chipset
Processor Manufacturer:Intel
Processor Type:Celeron
Processor Model:J4025
Processor Core:Dual-core (2 Core)
Processor Speed:2 GHz
Memory
Standard Memory:4 GB
Memory Technology:DDR4 SDRAM
Network & Communication
Ethernet Technology:Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays:2
Number of 2.5"/3.5" Bays:2
Number of Total Expansion Slots:1
Expansion Slot Type:PCI Express 2.0 x4
Controllers
Controller Type:Serial ATA/600
RAID Supported:Yes
RAID Levels:JBOD
Interfaces/Ports
HDMI:Yes
Total Number of USB Ports:6
Number of USB 2.0 Ports:3
Number of USB 3.2 Gen 1 Ports:2
Network (RJ-45):Yes
Software
Operating System:QTS 4.4.1
Management & Protocols
Protocols:Telnet
RSync
DDNS
IPv6
PPTP
SSL/TLS
SNMPv2
SNMPv3
NFSv3
NFSv4
iSCSI
TCP/IP
HTTPS
SMTP
LDAP
L2TP
CIFS
SFTP
DHCP
SMB
SSH
SMSC
IPSec
FTPS
AFP
BitTorrent
DNS
RTSP
FTP
IPv4
WEBDAV
DLNA
SSL
SNMP
TLS
HTTP
NFS
TFTP
FXP
UPnP
Power Description
Maximum Power Supply Wattage:65 W
Physical Characteristics
Height:6.6"
Width:4.1"
Depth:8.9"
Form Factor:Tower
Weight (Approximate):3.26 lb
Miscellaneous
Package Contents:
  • TS-251D-4G SAN/NAS Storage System
  • 1 x Ethernet Cable
  • AC Adapter
  • Power Cord
  • 8 x Flat Head Screws (for 3.5" HDD)
  • 6 x Flat Head Screws (for 2.5" HDD)
  • Quick Installation Guide (QIG)
Country of Origin:Taiwan
Warranty
Limited Warranty:2 Year

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