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QNAP TS-251+ Ethernet LAN Tower Grey NAS
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Storage
Total installed storage capacity
20 TB
Storage drives installed
Yes
Installed storage drive type
HDD
Number of storage drives installed
2
Supported storage drive types
HDD & SSD
Number of storage drives supported
2
Storage drive interface
Serial ATA II- Serial ATA III
Storage drive capacity
10000 GB
Storage drive size
2.5/3.5"
Hot-swap drive bays
Yes
RAID support
Yes
Supported file systems
FAT32-HFS+-NTFS-ext3-ext4
RAID levels
0-1-JBOD
Processor
Processor frequency
2 GHz
Processor family
Intel® Celeron®
Processor cores
4
Memory
Internal memory type
DDR3L
Internal memory
2 GB
Maximum RAM supported
8 GB
Memory slots
2
Flash memory
512 MB
Network
Ethernet LAN
Yes
Ethernet LAN data rates
10-100-1000 Mbit/s
Wi-Fi
No
Wake-on-LAN ready
Yes
iSCSI support
Yes
DHCP server
Yes
DHCP client
Yes
Ports & interfaces
USB 3.2 Gen 1 (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-ext3-ext4
RAID levels
0-1-JBOD
Design
Cooling type
Active
Fan diameter
7 cm
Cable lock slot type
Kensington
Product colour
Grey
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
Product colour
Grey
Multilingual support
Yes
LED indicators
HDD- LAN- Power- Status- USB
Chassis type
Tower
Buzzer
Yes
Number of fans
1 fan(s)
Performance
Built-in iTunes server
Yes
Built-in FTP server
Yes
S.M.A.R.T. support
Yes
Type
NAS
Device class
Home & Home Office
Backup function
Yes
On/off switch
Yes
Windows operating systems supported
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
Server operating systems supported
Windows Server 2003-Windows Server 2008 R2-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 10.3 Panther- 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
Reset button
Yes
Operating system version
4.2
Operating system installed
QNAP Turbo System
Multilingual support
Yes
Buzzer
Yes
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
Cable lock slot
Yes
Access Control List (ACL)
Yes
Software
Windows operating systems supported
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
Server operating systems supported
Windows Server 2003-Windows Server 2008 R2-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 10.3 Panther- 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
60 W
Fan voltage
12 V
AC input voltage
100-240 V
External power adapter
Yes
Weight & dimensions
Width
102 mm
Depth
225 mm
Height
168.5 mm
Packaging content
Quick installation guide
Yes
External power adapter
Yes
Cables included
AC- LAN (RJ-45)
System requirements
Windows operating systems supported
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
Server operating systems supported
Windows Server 2003-Windows Server 2008 R2-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 10.3 Panther- 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%
Packaging data
Cables included
AC- LAN (RJ-45)
QNAP TS-251+ Ethernet LAN Tower Grey NAS
| Weight | 1.000000 lbs |
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