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QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005

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TS-251D
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TS-251D-2G+2XST2000VN004
Category:
Multifunctional data storage servers that allow you to store huge amounts of data. Connect your storage server directly to your own PC or share it with your local area network, so anybody in your home/office can use it. You can even connect it to the internet and share your data securely with friends or colleagues at a remote office via a VPN connection or if you would wish to do so you could even share your data with the whole world via ftp (provided your server supports this).
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Info modified on: 09 Mar 2024 14:19:00
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QNAP TS-251D-2G+2XST2000VN004 user manual (1.8 MB)
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Bullet Points QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005
Each of several items in a list, preceded by a bullet symbol for emphasis. For easy access to this data, refer to the "BulletPoints" tag in XML or JSON.
:
  • - 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
Long product name QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005 :
The long product name of QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005. For easy access to this data, refer to the "ProductDescription" block and the "ShortDesc" tag in XML or the "Description" block and the "LongProductName" tag in JSON.

4TB (2x 2TB Seagate IronWolf), Intel Celeron J4005 (2/2.7GHz), 2GB DDR4 (2400MHz), Gigabit LAN
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QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005:
The official description of QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005 as supplied by the manufacturer. For easy access to this data, refer to the "ProductDescription" block and the "LongDesc" tag in XML or the "Description" block and the "LongDesc" tag in JSON.

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.

Intel® Celeron® J4005 Dual-Core Processor and AES-NI Hardware Encryption
Powered by Intel® Celeron® J4005 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® UHD Graphics, the TS-251D supports dual-channel 4K hardware decoding and real-time transcoding, allowing you to convert videos to universal file formats that can be smoothly played across various devices*. You can also watch high-quality 4K media files on an HDTV using the HDMI output or with Plex® Media Server to stream media files to mobile devices and media streaming devices (including DLNA®, Roku®, Apple TV® (via Qmedia), Amazon Fire TV® and Chromecast™). The QNAP RM-IR004 remote control (sold separately) can be configured using QButton to customize individual button actions, providing a more user-friendly NAS experience.

Multiple Ways To Enjoy Your Multimedia
QNAP provides a wide range of multimedia applications for you to easily enjoy photos, music, and videos.

Easy and Secure File Management
File Station centralizes files stored on your TS-251D and in the cloud. You can easily upload files from your computer, drag and drop files between folders, rename files, delete files, and configure file and folder permissions to prevent unauthorized access. Moreover, with Microsoft Office Online you can open and modify Microsoft Office documents stored on the TS-251D, without having to download Word documents, Excel worksheets, and PowerPoint presentations from your NAS to the PC. When it comes to sharing sensitive or confidential files on the TS-251D, you can use File Station to enhance data security effectively by encrypting files into a .qenc file, set a password, and then have file recipients use QENC Decrypter to decrypt the sent file.

Multi-Point File Backup, Access, and Sync
The TS-251D stores data and files centrally, and supports file sharing protocols, including SMB/CIFS, AFP and NFS for Windows®, Mac®, and Linux®/UNIX® devices. Coupled with Qsync (a utility that transforms a QNAP NAS into a secure, high-capacity data center for file synchronization) any file uploaded to the TS-251D becomes available for all linked devices, such as computers, laptops, and mobile devices. Hybrid Backup Sync helps you easily backup or synchronize data on the TS-251D to another QNAP NAS, remote servers, or cloud storage for disaster recovery. Additionally, QuDedup technology greatly improves the efficiency of multi-version backup to the destination storage, while optimizing storage utilization. You can install the QuDedup Extract Tool on your computer and restore deduplicated files to their normal status.

Protect Important Data With Snapshots
Snapshots help protect your data by fully recording the NAS system state and metadata. You can use snapshots to quickly restore files to a previously-recorded state when files are accidentally deleted or modified, or when the system is compromised by ransomware. QNAP snapshots are block-based and only record modified data. Not only does this save storage space, but also reduces the time required to back up and restore data.

Extend NAS Functionality With The PCIe Slot
With a PCIe expansion Gen 2.0 x 4 slot, the TS-251D provides flexibility in extending NAS functionality and potential applications. To optimize system performance, install a QNAP QM2 card for M.2 SSD caching/10GbE connectivity and use with Qtier tiered storage for optimal system performance. You can also use the TS-251D as a wireless access point by installing a compatible QNAP QWA-AC2600 wireless network card to create a wireless media streaming environment. Moreover, by configuring the QXG-10GbE/5GbE network expansion cards, you can upgrade your network to high-speed connectivity with an existing CAT 5e cable. Alternatively, you can add an affordable QNAP QNA-UC5G1T USB 3.2 Gen 1 to 5GbE adapter to your TS-251D and laptop to enjoy higher network speeds, or boost the USB connectivity of the TS-251D by installing a USB 3.2 Gen 2 (10Gbps) card.

QVR Pro Safeguards Your Environment
QNAP’s QVR Pro surveillance solution allows you to arrange dedicated, independent storage space for surveillance data on the TS-251D and leverages scalable storage advantages. With QVR Pro, camera management, storage space allocation, camera live view, and playback is greatly simplified. You can also use USB webcams as network cameras with the QUSBCam2 app, and remotely monitor surveillance feeds anytime with QVR Pro Client mobile app.

Multiply Your Productivity
The app-driven QTS operating system provides solutions for simplifying file backup, management, search, and more.

QmailAgent
Centrally manage and switch between different email accounts, back up emails to the NAS, and safeguard email security and personal privacy.

Notes Station 3
Notes Station 3 can bring the advantages of collaborative note-taking with improved productivity to provide higher efficiency for your workgroup.

Smart Filing
Qfiling automates file organization. Files are automatically archived into folders based on your settings.

Full-Text Search
Qsirch quickly finds images, music, videos, documents, emails, and other files.

Flexible and Economical Storage Expansion
QNAP provides an easy and flexible solution for increasing storage capacity before you run out of storage space. Here are the following ways you can expand NAS storage for accommodating data and business growth:

Upgrade RAID Capacity
Hot-swap lower-capacity drives with larger-capacity drives for your QNAP NAS to grow with your business.

VJBOD
Use Virtual JBOD (VJBOD) to expand storage capacity by using unused storage in other QNAP NAS. Up to 8 QNAP NAS can be mounted as local disks on the TS-251D.

Attach Expansion Enclosures
Easily expand NAS capacity by connecting two TR-002, TR-004 USB hardware RAID external enclosures with QNAP’s Storage & Snapshots Manager application.

Short summary description QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005:
This short summary of the QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005 data-sheet is auto-generated and uses the product title and the first six key specs.

QNAP TS-251D, NAS, Tower, Intel® Celeron®, J4005, 4 TB, Blue, White

Long summary description QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005:
This is an auto-generated long summary of QNAP TS-251D NAS Tower Ethernet LAN Blue, White J4005 based on the first three specs of the first five spec groups.

QNAP TS-251D. Total installed storage capacity: 4 TB, Installed storage drive type: HDD, Supported storage drive types: HDD & SSD. Processor family: Intel® Celeron®, Processor manufacturer: Intel, Processor model: J4005. Internal memory: 2 GB, Internal memory type: DDR4, Memory clock speed: 2400 MHz. Ethernet LAN data rates: 10,100,1000 Mbit/s. On-board graphics card base frequency: 250 MHz, On-board graphics card burst frequency: 700 MHz, On-board graphics card dynamic frequency (max): 700 MHz

Storage
Storage drive capacity *
2 TB
Storage drive interface *
Serial ATA III
Supported storage drive interfaces
Serial ATA III
Storage drive size
3.5"
Storage drive sizes supported
2.5, 3.5"
RAID support *
Yes
RAID levels
0, 1, JBOD
Online RAID migration
Yes
Online RAID expansion
Yes
RAID rebuild
Yes
Hot-swap drive bays
Yes
Supported file systems
FAT32, HFS+, NTFS, ext3, ext4
Storage drives installed *
Yes
Total installed storage capacity *
4 TB
Number of storage drives installed *
2
Number of storage drives supported *
2
Installed storage drive type *
HDD
Supported storage drive types *
HDD & SSD
Bad block scan
Yes
Disk roaming
Yes
Processor
Processor manufacturer *
Intel
Processor family *
Intel® Celeron®
Processor model *
J4005
Processor frequency *
2 GHz
Processor boost frequency
2.7 GHz
Processor cores
2
Processor threads
2
Processor cache
4 MB
CPU configuration (max)
1
PCI Express configurations
1x2, 1x2+2x1, 1x4, 2x1, 4x1
PCI Express slots version
2.0
Processor codename
Gemini Lake
Processor lithography
14 nm
Processor operating modes
64-bit
Processor package size
25 x 24 mm
Processor socket
BGA 1090
Tjunction
105 °C
Thermal Design Power (TDP)
10 W
On-board graphics card model
Intel® UHD Graphics 600
Maximum internal memory supported by processor
8 GB
Conflict-Free processor
Yes
Memory
Internal memory type
DDR4
Memory clock speed
2400 MHz
Maximum RAM supported
8 GB
Memory slots
2
Internal memory *
2 GB
Memory form factor
SO-DIMM
Flash memory
4096 MB
Network
Ethernet LAN *
Yes
Ethernet LAN data rates
10, 100, 1000 Mbit/s
DHCP client
Yes
DHCP server
Yes
Jumbo frames support
Yes
iSCSI support
Yes
Wake-on-LAN ready
Yes
Link aggregation
Yes
Load balancing system
Yes
Dynamic DNS (DDNS)
Yes
WLAN adapter supported
Yes
Ports & interfaces
USB port *
Yes
USB 2.0 ports quantity
3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
HDMI ports quantity
1
HDMI version
2.0
Ethernet LAN (RJ-45) ports *
1
Graphics
On-board graphics card base frequency
250 MHz
On-board graphics card burst frequency
700 MHz
On-board graphics card dynamic frequency (max)
700 MHz
On-board graphics card DirectX version
12.0
On-board graphics card ID
0x3185
Maximum on-board graphics card memory
8 GB
Number of displays supported (on-board graphics)
3
Design
Chassis type *
Tower
Cooling type *
Active
Product colour
Blue, White
Number of fans
1 fan(s)
Fan diameter
7 cm
LED indicators
HDD, LAN, Power, Status, USB
Cable lock slot
Yes
Cable lock slot type
Kensington
Performance
Type *
NAS
Device class *
Home & Home Office
Backup function *
Yes
Performance
Backup features
Cloud, iSCSI LUN
Buzzer
Yes
Number of users
4096 user(s)
Noise level
16.7 dB
Third-party support
Yes
Snapshot
Yes
Management protocols
SNMP
Web-based management
Yes
Share folder access right management
Yes
Security algorithms
256-bit AES, FIPS 140-2, HTTPS, SSH
Access Control List (ACL)
Yes
Reset button
Yes
On/off switch
Yes
Built-in BitTorrent client
Yes
Built-in FTP server
Yes
Browser supported
Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
System log
Yes
Hot spare
Yes
S.M.A.R.T. support
Yes
Share folder
512
Remotely operated
Yes
Backup button
Yes
Universal Plug and Play (UPnP)
Yes
USB copy function
Yes
Software
Operating system installed *
QNAP Turbo System
Operating system version
4.4.1
Windows operating systems supported
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64
Linux operating systems supported
Yes
Mac operating systems supported
Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Power
Power supply location
External
Power supply unit (PSU) capacity
65 W
Power consumption (typical)
15.25 W
Power consumption (sleep)
8.08 W
AC input voltage
100 - 240 V
Weight & dimensions
Width *
105 mm
Depth *
226 mm
Height *
168 mm
Weight
1.48 kg
Package weight
2.58 kg
Packaging content
External power adapter
Yes
Cables included
AC, LAN (RJ-45)
Number of screws
14
Processor special features
Embedded options available
No
Enhanced Intel SpeedStep Technology
Yes
Execute Disable Bit
Yes
Idle States
Yes
Intel 64
Yes
Intel Enhanced Halt State
Yes
Intel Identity Protection Technology version
1.00
Intel Secure Key Technology version
1.00
Intel Smart Response Technology version
0.00
Intel Virtualization Technology (VT-x)
Yes
Intel Virtualization Technology for Directed I/O (VT-d)
Yes
Intel VT-x with Extended Page Tables (EPT)
Yes
Intel® AES New Instructions (Intel® AES-NI)
Yes
Intel® Anti-Theft Technology (Intel® AT)
No
Intel® Hyper Threading Technology (Intel® HT Technology)
No
Intel® Identity Protection Technology (Intel® IPT)
Yes
Intel® OS Guard
Yes
Intel® Quick Sync Video Technology
Yes
Intel® Secure Key
Yes
Intel® Smart Response Technology
No
Intel® Turbo Boost Technology
No
Maximum number of PCI Express lanes
6
Number of execution units
12
Thermal Monitoring Technologies
Yes
UART
Yes
Memory types supported by processor
DDR4-SDRAM, LPDDR4-SDRAM
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Operating relative humidity (H-H)
5 - 95%
Other features
Processor ARK ID
128992