QNAP TS-251+ NAS Tower Ethernet LAN Black - NAS Servers

Facing the increasing demand for data storage, sharing and multimedia processing, more and more users are looking for a NAS system with good performance and an affordable price tag. The Intel® quad-core TS-251+ provides an uncompromising high-performance scalable storage solution for professional users. Powered by the intelligent QTS 4.2 operating system, the TS-251+ performs as an easy-to-use yet powerful NAS for data backup, file synchronization and sharing, remote access and multimedia applications, and is ideal for users to create a secure private cloud to access their data easily.- Centralize your file storage, sharing and backup with excellent performance- Run multiple Windows®, Linux®, UNIX® and Android™ based virtual machines with the Virtualization Station- Operate multiple isolated Linux® systems as well as download containerized apps with Container Station- Enjoy the best audio-visual experience with HDMI output and the free remote control- Transcode Full HD videos on-the-fly or offline- Stream multimedia files via DLNA®, AirPlay®, Chromecast™ and Bluetooth® with multi-zone multimedia control- Quickly find specific files by real-time, natural search with Qsirch- Scale up to 10 drives with QNAP UX-800P expansion enclosureQuad-core 64-bit Intel® Celeron® CPU for exceptional performanceThe TS-251+ is powered by a 64-bit Intel® Celeron® quad-core 2.0GHz processor and has 2GB/8GB energy-efficient DDR3L RAM (upgradable to 8

Storage
Online RAID migration	Yes
Online RAID expansion	Yes
Bad block scan	Yes
Storage drives installed	Yes
Installed storage drive type	HDD
Total installed storage capacity	4000 GB
Supported storage drive types	HDD, SSD
Number of storage drives supported	2
Hot-swap drive bays	Yes
RAID support	Yes
Supported file systems	FAT32,HFS+,NTFS,exFAT,ext3,ext4
RAID levels	0, 1, JBOD
Supported storage drive interfaces	Serial ATA II, Serial ATA III
Storage drive sizes supported	2.5,3.5"
Processor
Processor frequency	2 GHz
Processor family	Intel® Celeron®
Processor cores	4
Memory
Internal memory type	DDR3L
Internal memory	8 GB
Memory clock speed	1600 MHz
Maximum RAM supported	8 GB
Memory slots	2x SODIMM
Flash memory	512 MB
Networking
Link aggregation	Yes
Dynamic DNS (DDNS)	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, SMSC
Jumbo frames support	Yes
iSCSI support	Yes
DHCP server	Yes
DHCP client	Yes
Ports & interfaces
USB port	Yes
USB 3.0 (3.1 Gen 1) Type-A ports quantity	2
USB 2.0 ports quantity	2
HDMI ports quantity	1
Ethernet LAN (RJ-45) ports	2
Hard drive
RAID support	Yes
Supported file systems	FAT32,HFS+,NTFS,exFAT,ext3,ext4
RAID levels	0, 1, JBOD
Design
Cooling type	Active
Fan diameter	7 cm
Cable lock slot type	Kensington
Colour of product	Black
Number of fans	1 fan(s)
LED indicators	HDD, LAN, Power, Status, USB
Chassis type	Tower
Cable lock slot	Yes
Technical details
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Backup features	Cloud, USB drive, iSCSI LUN
Colour of product	Black
Noise level	15.4 dB
LED indicators	HDD, LAN, Power, Status, USB
Chassis type	Tower
Buzzer	Yes
Number of simultaneous users	4096 user(s)
Number of fans	1 fan(s)
Performance
Built-in iTunes server	Yes
Built-in FTP server	Yes
System log	Yes
Share folder access right management	Yes
Share folder	512
S.M.A.R.T. support	Yes
Browser supported	Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Mac compatibility	Yes
Remotely operated	Yes
Backup button	Yes
Universal Plug and Play (UPnP)	Yes
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Backup features	Cloud, USB drive, iSCSI LUN
On/off switch	Yes
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 IOT Core,Windows 10 Pro,Windows 10 Pro 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
Server operating systems supported	Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Mac operating systems supported	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
Reset button	Yes
Operating system version	4.3
Operating system installed	QNAP Turbo System
Noise level	15.4 dB
Management protocols	SNMP
Buzzer	Yes
Snapshot	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
Cable lock slot	Yes
Software
Mac compatibility	Yes
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 IOT Core,Windows 10 Pro,Windows 10 Pro 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
Server operating systems supported	Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Mac operating systems supported	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	4.3
Operating system installed	QNAP Turbo System
Management features
On/off switch	Yes
Web-based management	Yes
Reset button	Yes
Management protocols	SNMP
Power
Power consumption (HDD standby)	10.56 W
Power supply location	External
Power supply unit (PSU) capacity	60 W
Fan voltage	12 V
AC input voltage	100 - 240
Power consumption (typical)	18.09 W
Power consumption (sleep)	0.57 W
External power adapter	Yes
Weight & dimensions
Width	102 mm
Depth	219 mm
Height	169 mm
Weight	1.28 kg
Package weight	2.32 kg
Packaging content
Number of screws	14
Handheld remote control	Yes
Quick installation guide	Yes
External power adapter	Yes
Cables included	AC, LAN (RJ-45)
System requirements
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 IOT Core,Windows 10 Pro,Windows 10 Pro 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
Server operating systems supported	Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
Mac operating systems supported	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%
Packaging data
Package weight	2.32 kg
Cables included	AC, LAN (RJ-45)
Other features
Number of simultaneous users	4096 user(s)

1. Anything which is certainly not a 3D memory product once processed can't be returned for credit or cancelled. Restocking fee of minimum up to 25% can be charged on certain products which varies from product to product.
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