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QNAP TS-251+ NAS Desktop Ethernet LAN Black
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Storage
Total installed storage capacity
28 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 III
Storage drive capacity
14000 GB
Hot-swap drive bays
Yes
RAID support
Yes
Supported file systems
FAT32-HFS+-NTFS-ext3-ext4
RAID levels
0-1-JBOD
Supported storage drive interfaces
Serial ATA- Serial ATA II- Serial ATA III
Storage drive sizes supported
2.5-3.5"
Processor
Processor boost frequency
2.42 GHz
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
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
WLAN adapter supported
Yes
Ports & interfaces
USB port
Yes
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
Black
Number of fans
1 fan(s)
LED indicators
Yes
Chassis type
Desktop
Cable lock slot
Yes
Technical details
Type
NAS
Device class
Home & Home Office
Backup function
Yes
Backup features
Cloud- iSCSI LUN
Product colour
Black
Multilingual support
Yes
LED indicators
Yes
Chassis type
Desktop
Buzzer
Yes
Number of fans
1 fan(s)
Performance
Built-in iTunes server
Yes
Built-in FTP server
Yes
System log
Yes
Share folder
CIFS/SMB
S.M.A.R.T. support
Yes
Hot spare
Yes
Browser supported
Chrome- Firefox- Internet Explorer 10+- Safari 7+
Type
NAS
Device class
Home & Home Office
Backup function
Yes
Backup features
Cloud- iSCSI LUN
On/off switch
Yes
Windows operating systems supported
Windows 10-Windows 7-Windows 8-Windows 8.1
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 10.10 Yosemite- Mac OS X 10.11 El Capitan- Mac OS X 10.12 Sierra- Mac OS X 10.13 High Sierra- Mac OS X 10.14 Mojave
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
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
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-Windows 7-Windows 8-Windows 8.1
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 10.10 Yosemite- Mac OS X 10.11 El Capitan- Mac OS X 10.12 Sierra- Mac OS X 10.13 High Sierra- Mac OS X 10.14 Mojave
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
Number of power supply units
1
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 10-Windows 7-Windows 8-Windows 8.1
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 10.10 Yosemite- Mac OS X 10.11 El Capitan- Mac OS X 10.12 Sierra- Mac OS X 10.13 High Sierra- Mac OS X 10.14 Mojave
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)
Other features
Digital Living Network Alliance (DLNA) certified
Yes
QNAP TS-251+ NAS Desktop Ethernet LAN Black
| Weight | 1.000000 lbs |
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