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Synology NAS Storage | QNAP TS-251D 2 Bay Desktop NAS Enclosure | TS-251D-2G | ServersPlus
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QNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.comQNAP TS-251D-2G | serversplus.com

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QNAP TS-251D 2 Bay Desktop NAS Enclosure

QNAP Logo here

Manufacturer Part Code: TS-251D-2G

Order Code: NSQNA-TS251D2G

Category: Synology NAS Storage

QNAP TS-251D - NAS server - 2 bays - SATA 6Gb/s - RAID 0 1 JBOD - RAM 2 GB - Gigabit Ethernet - iSCSI support

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®, 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.
*The TS-251D's hardware provides hardware decoding, encoding, and transcoding capabilities. However, playback quality may vary due to playback software, file formats, system usage, and available bandwidth.

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 3.0 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 3.1 Gen 2 (10Gbps) card.

QVR Pro Safeguards Your Environment
QNAP's QVR Pro surveillance solution allows you to arrange dedicated, independent storage space for surve


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Technical Information

Chassis type
Tower
Cable lock slot
Y
LED indicators
HDD, LAN, Power, Status, USB
Product colour
White
Chassis type
FAT32, HFS+, NTFS, ext3, ext4
Country of origin
Taiwan
Number of fans
1 fan(s)
Cooling type
Active
Fan diameter
7 cm
Cable lock slot type
Kensington
Power consumption (typical)
15.25 W
Number of power supply units
1
Power consumption (sleep)
8.08 W
AC input frequency
50 - 60 Hz
AC input voltage
100 - 240 V
Power supply location
External
Fan voltage
12 V
Power supply unit (PSU) capacity
65 W
On-board graphics card base frequency
250 MHz
On-board graphics card dynamic frequency (max)
700 MHz
On-board graphics card burst frequency
700 MHz
On-board graphics card ID
0x3185
Maximum on-board graphics card memory
8 GB
Number of displays supported (on-board graphics)
3
On-board graphics card DirectX version
12.0
Internal memory type
DDR4
Flash memory
4000 MB
Memory slots
2
Memory form factor
SO-DIMM
Maximum RAM supported
8 GB
Internal memory
2 GB
Supported network protocols
TCP/IP, PTP, L2TP/IPSec, OpenVPN, QBelt(, FTP, SFTP, TFTP
Ethernet LAN
Y
Wake-on-LAN ready
Y
Wi-Fi
N
Link aggregation
Y
Jumbo frames support
Y
DHCP client
Y
DHCP server
Y
Ethernet LAN data rates
1000 Mbit/s
iSCSI support
Y
WLAN adapter supported
Y
Operating relative humidity (H-H)
5 - 95%
Storage temperature (T-T)
-20 - 70 °C
Operating temperature (T-T)
0 - 40 °C
Operating temperature range (T-T)
Y
Processor ARK ID
128992
Cables included
AC, LAN (RJ-45)
External power adapter
Y
Quick installation guide
Y
Number of screws
14
Type
NAS
Security algorithms
256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS
Browser supported
Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Noise level
16.7 dB
Buzzer
Y
Snapshot
Y
Web-based management
Y
Access Control List (ACL)
Y
Reset button
Y
Multilingual support
Y
On/off switch
Y
S.M.A.R.T. support
Y
Universal Plug and Play (UPnP)
Y
Device class
Home & Home Office
Backup function
Y
Backup features
Cloud, USB drive
Built-in FTP server
Y
System log
Y
Hot spare
Y
Share folder
CIFS/SMB
Third-party support
Y
USB copy function
Y
USB 2.0 ports quantity
3
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
1
HDMI version
2.0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB port
Y
Processor model
J4005
Processor manufacturer
Intel
Processor lithography
14 nm
Processor family
Intel® Celeron®
Processor socket
BGA 1090
Processor cores
2
Processor threads
2
PCI Express slots version
2.0
Processor operating modes
64-bit
Processor boost frequency
2.7 GHz
On-board graphics card model
Intel® UHD Graphics 600
Processor cache
4 MB
CPU configuration (max)
1
Tjunction
105 °C
PCI Express configurations
1x2, 1x2+2x1, 1x4, 2x1, 4x1
Processor frequency
2 GHz
Thermal Design Power (TDP)
10 W
Processor codename
Gemini Lake
Maximum internal memory supported by processor
8 GB
Processor package size
25 x 24 mm
Conflict-Free processor
Y
Intel® Identity Protection Technology (Intel® IPT)
Y
Intel® Anti-Theft Technology (Intel® AT)
N
Intel® Smart Response Technology
N
Intel® Hyper Threading Technology (Intel® HT Technology)
N
Intel® Turbo Boost Technology
N
Intel® Quick Sync Video Technology
Y
Intel® AES New Instructions (Intel® AES-NI)
Y
Enhanced Intel SpeedStep Technology
Y
Execute Disable Bit
Y
Idle States
Y
Thermal Monitoring Technologies
Y
Intel Enhanced Halt State
Y
Intel VT-x with Extended Page Tables (EPT)
Y
Embedded options available
N
Intel® Secure Key
Y
Intel 64
Y
Intel® OS Guard
Y
UART
Y
Intel Virtualization Technology for Directed I/O (VT-d)
Y
Number of execution units
12
Maximum number of PCI Express lanes
6
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)
Y
Memory types supported by processor
DDR4-SDRAM, LPDDR4-SDRAM
Operating system installed
QNAP QTS
Operating system version
5.0.0
Windows operating systems supported
Windows 10, Windows 7, Windows 8
Mac operating systems supported
Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported
Y
Server operating systems supported
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
RAID levels
0, 1, JBOD
Supported file systems
FAT32, HFS+, NTFS, ext3, ext4
RAID support
Y
Number of storage drives supported
2
Storage drive sizes supported
3.5"
Storage drives installed
N
Installed storage drive type
N
Supported storage drive types
HDD & SSD
Hot-swap drive bays
Y
Supported storage drive interfaces
Serial ATA II, Serial ATA III
Online RAID migration
Y
Online RAID expansion
Y
Bad block scan
Y
Disk roaming
Y
Number of M.2 (M & B) slots
1
RAID rebuild
Y
Chassis type
FAT32, HFS+, NTFS, ext3, ext4
Harmonized System (HS) code
84714100
Weight
1.48 kg
Weight
2.606 g
Package weight
2.58 kg
Package weight
2.606 g
Height
20.4 mm
Width
105 mm
Width
31 mm
Depth
27.5 mm

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