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QNAP TS-251+ User Manual

QNAP TS-251+
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Public License can be used, that proxy's public statement of acceptance of a version
permanently authorizes you to choose that version for the Program.
Later license versions may give you additional or different permissions. However, no
additional obligations are imposed on any author or copyright holder as a result of your
choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.
SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL
ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE
PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided above cannot be given local
legal effect according to their terms, reviewing courts shall apply local law that most closely
approximates an absolute waiver of all civil liability in connection with the Program, unless
a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS

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QNAP TS-251+ Specifications

General IconGeneral
TypeNAS
BuzzerYes
Noise level15.4 dB
Device classHome & Home Office
Share folder512
Backup featuresCloud, USB drive, iSCSI LUN
Browser supportedApple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Security algorithms256-bit AES, FIPS 140-2, HTTPS, SSH
Processor cores4
Processor model-
Processor familyIntel® Celeron®
Processor frequency2 GHz
Fan voltage12 V
AC input voltage100 - 240 V
Power supply locationExternal
Power consumption (sleep)0.57 W
Power consumption (typical)18.09 W
Power consumption (HDD standby)10.56 W
Power supply unit (PSU) capacity60 W
Flash memory512 MB
Memory slots2x SODIMM
Internal memory- GB
Memory clock speed1600 MHz
Internal memory typeDDR3L
Maximum RAM supported8 GB
Wi-FiNo
Ethernet LAN data rates10, 100, 1000 Mbit/s
Supported network protocolsCIFS/SMB, AFP v3.3, NFS v3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95 %
Chassis typeTower
Cooling typeActive
Fan diameter70 mm
Product colorBlack
LED indicatorsHDD, LAN, Power, Status, USB
Number of fans1 fan(s)
Cable lock slot typeKensington
Operating system version4.3
Operating system installedQNAP Turbo System
Mac operating systems supportedMac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Windows operating systems supportedWindows 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
RAID levels0, 1, JBOD
Storage drive size- \
Storage drive capacity4000 GB
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4
Installed storage drive typeHDD
Storage drive sizes supported2.5, 3.5 \
Supported storage drive typesHDD & SSD
Total installed storage capacity8 TB
Number of storage drives supported2
Supported storage drive interfacesSerial ATA II, Serial ATA III
Cables includedAC, LAN (RJ-45)
Number of screws14
Fiber ports quantity0
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Number of simultaneous users4096 user(s)
Weight and Dimensions IconWeight and Dimensions
Depth219 mm
Width102 mm
Height169 mm
Weight1280 g
Package weight2320 g

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