QNAP TS-251+ User Manual

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Chapter 9. Use the LCD Panel
This feature is only provided by the NAS models with LCD panels. Please visit
http://www.qnap.com for details.
The NAS provides a handy LCD panel for users to perform disk configuration and view the
system information.
When the NAS has started up, the server name and IP address will be shown.
N
A
S
5
F
4
D
E
3
1
6
9
.
2
5
4
.
1
0
0
.
1
0
0
For the first time installation, the LCD panel shows the number of hard drives detected and
the IP address. Configure the hard drives.
Number of hard
drives detected
Default disk
configuration
Available disk configuration options*
1
Single
Single
2
RAID 1
Single > JBOD >RAID 0 > RAID 1
3
RAID 5
Single > JBOD > RAID 0 > RAID 5
4 or above
RAID 5
Single >JBOD > RAID 0 > RAID 5
> RAID 6
*Press the “Select” button to choose the option, and press the “Enter” button to confirm.
For example, when 5 hard drives installed are available on the NAS, the LCD panel shows:
C
o
n
f
i
g
.
D
i
s
k
s
?
→
R
A
I
D
5
Press the “Select” button to browse more options, for example, RAID 6.
Press the “Enter” button and the following message shows. Press the “Select” button to
select “Yes” to confirm.
C
h
o
o
s
e
R
A
I
D
5
?
→
Y
e
s
N
o

QNAP TS-251+ Specifications

General

Type	NAS
Buzzer	Yes
Noise level	15.4 dB
Device class	Home & Home Office
Share folder	512
Backup features	Cloud, USB drive, iSCSI LUN
Browser supported	Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH
Processor cores	4
Processor model	-
Processor family	Intel® Celeron®
Processor frequency	2 GHz
Fan voltage	12 V
AC input voltage	100 - 240 V
Power supply location	External
Power consumption (sleep)	0.57 W
Power consumption (typical)	18.09 W
Power consumption (HDD standby)	10.56 W
Power supply unit (PSU) capacity	60 W
Flash memory	512 MB
Memory slots	2x SODIMM
Internal memory	- GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L
Maximum RAM supported	8 GB
Wi-Fi	No
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Supported network protocols	CIFS/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 type	Tower
Cooling type	Active
Fan diameter	70 mm
Product color	Black
LED indicators	HDD, LAN, Power, Status, USB
Number of fans	1 fan(s)
Cable lock slot type	Kensington
Operating system version	4.3
Operating system installed	QNAP Turbo System
Mac operating systems supported	Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
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
RAID levels	0, 1, JBOD
Storage drive size	- \
Storage drive capacity	4000 GB
Supported file systems	FAT32, HFS+, NTFS, exFAT, ext3, ext4
Installed storage drive type	HDD
Storage drive sizes supported	2.5, 3.5 \
Supported storage drive types	HDD & SSD
Total installed storage capacity	8 TB
Number of storage drives supported	2
Supported storage drive interfaces	Serial ATA II, Serial ATA III
Cables included	AC, LAN (RJ-45)
Number of screws	14
Fiber ports quantity	0
USB 2.0 ports quantity	USB 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 users	4096 user(s)

Weight and Dimensions

Depth	219 mm
Width	102 mm
Height	169 mm
Weight	1280 g
Package weight	2320 g