QNAP TS-251A User Manual

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QNAP TS-251A Specifications

General

Chassis type	Tower
Cooling type	Active
Fan diameter	70 mm
Number of fans	1 fan(s)
Cable lock slot	Yes
Housing material	-
Cable lock slot type	Kensington
RAID levels	0, 1, JBOD
Storage drive size	2.5/3.5 \
Storage drive capacity	- GB
Supported file systems	FAT32, HFS+, NTFS, ext3, ext4
Storage drive interface	Serial ATA III
Storage drives installed	No
Supported storage drive types	HDD & SSD
Total installed storage capacity	0 TB
Number of storage drives installed	0
Number of storage drives supported	2
Stepping	D1
Tjunction	90 °C
Processor code	SR2KN
Processor cache	2 MB
Processor model	N3060
System bus rate	5 GT/s
Processor family	Intel® Celeron®
Processor series	Intel Celeron N3000 series
Processor socket	BGA 1170
Processor codename	Braswell
Processor frequency	1.6 GHz
Processor cache type	L2
Processor lithography	14 nm
Processor manufacturer	Intel
Processor package size	25 x 27 mm
CPU configuration (max)	1
PCI Express slots version	2.0
Processor boost frequency	2.48 GHz
Processor operating modes	64-bit
PCI Express configurations	1x2+2x1, 1x4, 2x2, 4x1
Thermal Design Power (TDP)	6 W
Scenario Design Power (SDP)	4 W
On-board graphics card model	Intel® HD Graphics 400
Maximum internal memory supported by processor	8 GB
Memory slots	2 x SO-DIMM
Internal memory	4 GB
Internal memory type	DDR3L
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, and SMSC
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.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
Type	NAS
Noise level	18.3 dB
Device class	Home & Home Office
Share folder	Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Backup features	Cloud, iSCSI LUN
Browser supported	Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Compatible memory cards	SD
Processor ARK ID	91832
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 95 %
Cables included	AC, LAN (RJ-45)
Number of screws	14
Power supply location	External
Operating system version	4.2
Operating system installed	QNAP Turbo System
Number of execution units	12
Maximum number of PCI Express lanes	4
Memory types supported by processor	DDR3L-SDRAM
Memory channels supported by processor	Dual
Intel Identity Protection Technology version	1.00
Intel Small Business Advantage (SBA) version	0.00
On-board graphics card base frequency	320 MHz
On-board graphics card DirectX version	12.0
On-board graphics card burst frequency	600 MHz

Weight and Dimensions

Depth	219 mm
Width	102 mm
Height	169 mm