QNAP TS-251A NAS Tower Ethernet LAN Green, White - NAS Servers

The TS-251A provides the innovative USB QuickAccess port that allows you to quickly complete the first-time NAS installation and to then directly access files and data stored on the NAS. It also supports two additional transmission modes: Ethernet NAS mode and iSCSI SAN block-based mode. Combining USB QuickAccess, NAS and iSCSI-SAN into one box, the TS-251A is a powerful but easy-to-use storage solution ideal for backup, synchronization, remote access, and entertainment. It greatly helps to boost productivity and can meet the demands of photographers and audiovisual enthusiasts for direct, quick access to files. The TS-251A is powered by a high-performance 14nm Intel® Celeron® N3060 dual-core 1.6GHz processor, and supports 4K video playback and transcoding.- Excellent system performance, ideal for centralized management, file sharing and backup- USB QuickAccess port for accessing files without needing a network connection- Supports 4K hardware decoding and transcodes 4K H.264 videos on-the-fly or offline- Enjoy the best audio-visual experience with HDMI output, multi-channel surround sound and the free remote control- Build a personal karaoke system with OceanKTV- Linux Station supports Ubuntu® with direct output via HDMI- A hybrid approach to virtualization: Virtualization Station & Container Station- Supports Virtual JBOD (VJBOD) to maximize the storage utilization of multiple QNAP NAS units

Storage
Storage drives installed	Yes
Installed storage drive type	HDD
Number of storage drives installed	2
Total installed storage capacity	16000 GB
Supported storage drive types	HDD, SSD
Number of storage drives supported	2
Storage drive interface	Serial ATA III
Storage drive capacity	8000 GB
Storage drive size	3.5"
Hot-swap drive bays	Yes
RAID support	Yes
Supported file systems	FAT32,HFS+,NTFS,ext3,ext4
RAID levels	0, 1, JBOD
Processor
Tjunction	90 °C
Thermal Design Power (TDP)	6 W
System bus rate	5 GT/s
Stepping	D1
Scenario Design Power (SDP)	4 W
Processor threads	2
Processor socket	BGA 1170
Processor series	Intel Celeron N3000 series
Processor package size	25 x 27
Processor operating modes	64-bit
Processor lithography	14 nm
Processor codename	Braswell
Processor code	SR2KN
Processor cache type	L2
Processor cache	2 MB
Processor boost frequency	2.48 GHz
PCI Express slots version	2.0
PCI Express configurations	1x2+2x1,1x4,2x2,4x1
Integrated 4G WiMAX	No
ECC supported by processor	No
CPU configuration (max)	1
Maximum internal memory supported by processor	8 GB
Conflict Free processor	Yes
Processor ARK ID	91832
Processor frequency	1.6 GHz
Processor family	Intel® Celeron®
Processor model	N3060
Processor cores	2
Memory
Internal memory type	DDR3L
Internal memory	2 GB
Maximum RAM supported	8 GB
Memory slots	2
Flash memory	4096 MB
Networking
Link aggregation	Yes
Ethernet LAN	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Wi-Fi	No
Wake-on-LAN ready	Yes
Supported network protocols	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
Jumbo frames support	Yes
iSCSI support	Yes
DHCP server	Yes
DHCP client	Yes
Ports & interfaces
USB 3.0 (3.1 Gen 1) Type-A ports quantity	3
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	2
Hard drive
RAID support	Yes
Supported file systems	FAT32,HFS+,NTFS,ext3,ext4
RAID levels	0, 1, JBOD
Graphics
On-board graphics adapter model	Intel® HD Graphics 400
On-board graphics adapter DirectX version	12.0
On-board graphics adapter burst frequency	600 MHz
On-board graphics adapter base frequency	320 MHz
Maximum on-board graphics adapter memory	8 GB
Number of displays supported (on-board graphics)	3
Design
Cooling type	Active
Fan diameter	7 cm
Cable lock slot type	Kensington
Colour of product	Green, White
Number of fans	1 fan(s)
LED indicators	Power, Ready, Reset
Chassis type	Tower
Cable lock slot	Yes
Technical details
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Backup features	Cloud, iSCSI LUN
Card reader integrated	Yes
Colour of product	Green, White
Noise level	18.3 dB
Multilingual support	Yes
LED indicators	Power, Ready, Reset
Compatible memory cards	SD
Chassis type	Tower
Number of fans	1 fan(s)
Performance
Built-in UPnP AV media server	Yes
Built-in iTunes server	Yes
Built-in FTP server	Yes
System log	Yes
Share folder access right management	Yes
Share folder	CIFS/SMB
S.M.A.R.T. support	Yes
Hot spare	Yes
Browser supported	Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Backup features	Cloud, iSCSI LUN
Card reader integrated	Yes
On/off switch	Yes
Windows operating systems supported	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 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 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Server operating systems supported	Windows Server 2003,Windows Server 2003 R2,Windows Server 2003 x64,Windows Server 2008,Windows Server 2008 R2,Windows Server 2008 R2 x64,Windows Server 2008 x64,Windows Server 2012,Windows Server 2012 R2
Mac operating systems supported	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Yes
Web-based management	Yes
Security algorithms	256-bit AES,FIPS 140-2,HTTPS,SSH,SSL/TLS
Reset button	Yes
Operating system version	4.2
Operating system installed	QNAP Turbo System
Noise level	18.3 dB
Multilingual support	Yes
Compatible memory cards	SD
Access Control List (ACL)	Yes
Cooling
Cooling type	Active
Fan diameter	7 cm
Fan voltage	12 V
Number of fans	1 fan(s)
Security
Cable lock slot type	Kensington
Security algorithms	256-bit AES,FIPS 140-2,HTTPS,SSH,SSL/TLS
Cable lock slot	Yes
Access Control List (ACL)	Yes
Software
Windows operating systems supported	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 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 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Server operating systems supported	Windows Server 2003,Windows Server 2003 R2,Windows Server 2003 x64,Windows Server 2008,Windows Server 2008 R2,Windows Server 2008 R2 x64,Windows Server 2008 x64,Windows Server 2012,Windows Server 2012 R2
Mac operating systems supported	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Yes
Operating system version	4.2
Operating system installed	QNAP Turbo System
Management features
On/off switch	Yes
Web-based management	Yes
Reset button	Yes
Power
Power supply location	External
Power supply unit (PSU) capacity	65 W
Power consumption (off)	0.72 W
Fan voltage	12 V
AC input voltage	100-240
Power consumption (typical)	16.2 W
Power consumption (sleep)	7.9 W
Number of power supply units	1
External power adapter	Yes
Power management	Yes
Weight & dimensions
Width	102 mm
Depth	219 mm
Height	169 mm
Packaging content
Number of screws	14
Quick installation guide	Yes
External power adapter	Yes
Cables included	AC, LAN (RJ-45)
Processor special features
UART	Yes
Thermal Monitoring Technologies	Yes
Number of execution units	12
Maximum number of PCI Express lanes	4
Intel® Wireless Display (Intel® WiDi)	Yes
Intel® Turbo Boost Technology	No
Intel® Smart Response Technology	No
Intel® Small Business Advantage (Intel® SBA)	No
Intel® Secure Key	Yes
Intel® Quick Sync Video Technology	Yes
Intel® OS Guard	No
Intel® InTru™ 3D Technology	No
Intel® Insider™	No
Intel® Identity Protection Technology (Intel® IPT)	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No
Intel® High Definition Audio (Intel® HD Audio)	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes
Intel® Anti-Theft Technology (Intel® AT)	No
Intel® AES New Instructions (Intel® AES-NI)	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No
Intel Virtualization Technology (VT-x)	Yes
Intel Trusted Execution Technology	No
Intel Stable Image Platform Program (SIPP)	No
Intel Smart Connect Technology	No
Intel Secure Boot	Yes
Intel Rapid Storage Technology	No
Intel Enhanced Halt State	Yes
Intel Clear Video Technology	Yes
Intel 64	Yes
Idle States	Yes
Execute Disable Bit	Yes
Enhanced Intel SpeedStep Technology	Yes
Embedded options available	Yes
Memory channels supported by processor	Dual
Memory types supported by processor	DDR3L-SDRAM
System requirements
Windows operating systems supported	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 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 8,Windows 8 Enterprise,Windows 8 Enterprise x64,Windows 8 Pro,Windows 8 Pro x64,Windows 8 x64,Windows 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Server operating systems supported	Windows Server 2003,Windows Server 2003 R2,Windows Server 2003 x64,Windows Server 2008,Windows Server 2008 R2,Windows Server 2008 R2 x64,Windows Server 2008 x64,Windows Server 2012,Windows Server 2012 R2
Mac operating systems supported	Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supported	Yes
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%
Certificates
Digital Living Network Alliance (DLNA) certified	Yes
Packaging data
Cables included	AC, LAN (RJ-45)
Other features
Power management	Yes

1. Non-Returnable Products: Once an order has been processed, items that are not classified as 3D memory products are non-returnable and cannot be cancelled.

2. Restocking Charges: A restocking fee of up to 25% may apply to eligible returns. The exact percentage depends on the product category.

3. Product Condition: All products are supplied in refurbished condition by default, unless explicitly stated as brand new retail stock prior to purchase.

4. Dispatch & Availability: Most orders are dispatched within 24 hours, subject to stock availability. For urgent or same-day dispatch requests, please contact our customer service team at (0)203-411-0694.

5. Manufacturer Part Numbers: Leading manufacturers such as Dell, HP, IBM, and Compaq may assign multiple identifiers to the same product, including Spare Part Numbers (Spare P/N#) or Field Replaceable Unit Numbers (FRU#). Items received may carry either designation and will be considered equivalent and fully compatible. For clarification, please contact our sales team.

6. Warranty Policy: All items are covered by a 30-day limited warranty, valid for replacement only in cases of DOA (Dead on Arrival), and must match the original part number. Certain storage devices may include an extended 90-day warranty—confirmation prior to purchase is recommended. Additional warranty options, including manufacturer or extended warranties, may be available upon request.

7. Drivers & Installation Media: Products are sold in bulk format and generally do not include installation media or drivers. If required, please confirm availability before placing your order.

8. Shipping Costs: Shipping charges are automatically calculated based on lighter items such as memory modules and hard drives (under 5 lbs). Heavier equipment, including servers, racks, or motherboards, may incur additional shipping costs. We recommend confirming shipping fees prior to order completion. In cases of discrepancies, our team will contact you to revise the charges accordingly.

9. Product Images: All product images are for illustrative purposes only. The actual item delivered may vary in appearance.

10. Packaging Disclaimer: Items may be shipped in bulk or non-retail packaging, particularly for large volume or consolidated orders.

11. End-of-Life (EOL) Products: Discontinued products may be substituted with equivalent parts that match the same FRU and functionality.

12. Refurbished Printers: Refurbished printers may not include toner cartridges, or may be supplied with partially used cartridges.

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Need Assistance?

If you require further clarification or have any concerns, please contact us prior to placing your order:
📧 support@selectechnology.co.uk
📞 (0)203-511-0854

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