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QNAP TS-451 User Manual

QNAP TS-451
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section must be in a format that is publicly documented (and with an implementation
available to the public in source code form), and must require no special password or key
for unpacking, reading or copying.
7. Additional Terms.
Additional permissions” are terms that supplement the terms of this License by making
exceptions from one or more of its conditions. Additional permissions that are applicable to
the entire Program shall be treated as though they were included in this License, to the
extent that they are valid under applicable law. If additional permissions apply only to part
of the Program, that part may be used separately under those permissions, but the entire
Program remains governed by this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option remove any additional
permissions from that copy, or from any part of it. (Additional permissions may be written
to require their own removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work, for which you have or
can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you add to a covered work,
you may (if authorized by the copyright holders of that material) supplement the terms of
this License with terms:
a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16
of this License; or
b) Requiring preservation of specified reasonable legal notices or author attributions in that
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c) Prohibiting misrepresentation of the origin of that material, or requiring that modified
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f) Requiring indemnification of licensors and authors of that material by anyone who
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All other non-permissive additional terms are considered “further restrictions” within the

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QNAP TS-451 Specifications

General IconGeneral
RAID levels1, 5, 6, 10, JBOD
Storage drive size2.5/3.5 \
Storage drive capacity3000 GB
Supported file systemsext3, ext4, FAT32, HFS+, NTFS
Storage drive interfaceSerial ATA III
Storage drives installedYes
Installed storage drive typeHDD
Supported storage drive typesHDD & SSD
Total installed storage capacity12 TB
Maximum supported storage capacity- TB
Number of storage drives installed4
Processor cores2
Processor model-
Processor familyIntel® Celeron®
Processor frequency2.41 GHz
Flash memory512 MB
Internal memory1 GB
Internal memory typeDDR3L
Maximum RAM supported8 GB
Wi-FiNo
Ethernet LAN data rates1000 Mbit/s
Supported network protocolsCIFS/SMB, AFP(v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
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.
Chassis typeTower
Cooling typeActive
Fan diameter120 mm
Product colorWhite
LED indicatorsHDD, LAN, Status, USB
Number of fans1 fan(s)
Cable lock slot typeKensington
TypeNAS
Device classHome & Home Office
Backup featuresCloud, iSCSI LUN
Number of users4096 user(s)
Security algorithms256-bit AES, FIPS 140-2, HTTPS, SSH
Operating system version4.1
Operating system installedQNAP Turbo System
AC input voltage100-240 V
Power supply locationExternal
Power supply unit (PSU) capacity90 W
Cables includedAC, LAN (RJ-45)
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95 %
Weight and Dimensions IconWeight and Dimensions
Depth235 mm
Width180 mm
Height177 mm
Weight3000 g
Package weight4300 g

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