QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop

Model QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS DesktopPart no. TS-251A-2G/28TB-IWEAN 5055628440207

165 specifications

ProcessorIntel® Celeron®
Memory2 GB
TypeNAS
OSQNAP Turbo System
ColourWhite
Storage drives installedYes

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Overview

Processor: Intel® Celeron®
Memory: 2 GB
Type: NAS
OS: QNAP Turbo System
Colour: White
Storage drives installed: Yes

Brand: QNAP
Category: NAS & Storage Servers
Model: QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop
Part number: TS-251A-2G/28TB-IW
EAN / UPC: 5055628440207
Also known as: QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop Intel® Celeron® N3060 2 GB DDR3L HDD QNAP Turbo System White

Specifications

165 specifications in 15 groups

Storage

Specification	Value
Storage drives installed	Yes
Total installed storage capacity	28 TB
Number of storage drives installed	2
Number of storage drives supported	2
Installed storage drive type	HDD
Supported storage drive types	HDD & SSD
Storage drive capacity	14 TB
Storage drive interface	Serial ATA III
Supported storage drive interfaces	Serial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supported	2.5,3.5"
RAID support	Yes
RAID levels	0, 1, JBOD
Online RAID migration	Yes
Online RAID expansion	Yes
Hot-swap drive bays	Yes
Supported file systems	FAT32, HFS+, NTFS, ext3, ext4

Processor

Specification	Value
Processor manufacturer	Intel
Processor family	Intel® Celeron®
Processor model	N3060
Processor frequency	1.6 GHz
Processor boost frequency	2.48 GHz
Processor cores	2
Processor threads	2
Processor cache	2 MB
CPU configuration (max)	1
ECC supported by processor	No
Integrated 4G WiMAX	No
PCI Express configurations	1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version	2.0
Processor cache type	L2
Processor code	SR2KN
Processor codename	Braswell
Processor lithography	14 nm
Processor operating modes	64-bit
Processor package size	25 x 27 mm
Processor series	Intel Celeron N3000 series
Processor socket	BGA 1170
Scenario Design Power (SDP)	4 W
Stepping	D1
System bus rate	5 GT/s
Thermal Design Power (TDP)	6 W
Tjunction	90 °C
On-board graphics card model	Intel® HD Graphics 400
Maximum internal memory supported by processor	8 GB
Conflict-Free processor	Yes

Memory

Specification	Value
Internal memory	2 GB
Internal memory type	DDR3L
Maximum RAM supported	8 GB
Memory slots	2
Flash memory	4000 MB

Network

Specification	Value
Ethernet LAN	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s
Wi-Fi	No
DHCP client	Yes
DHCP server	Yes
Jumbo frames support	Yes
iSCSI support	Yes
Wake-on-LAN ready	Yes
Link aggregation	Yes
Supported network protocols	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC

Ports & interfaces

Specification	Value
Ethernet LAN (RJ-45) ports	2
USB port	Yes
USB 2.0 ports quantity	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
Fiber ports quantity	0
HDMI ports quantity	1

Graphics

Specification	Value
On-board graphics card DirectX version	12.0
On-board graphics card base frequency	320 MHz
On-board graphics card burst frequency	600 MHz
Maximum on-board graphics card memory	8 GB
Number of displays supported (on-board graphics)	3

Design

Specification	Value
Chassis type	Desktop
Cooling type	Active
Product colour	White
Number of fans	1 fan(s)
Fan diameter	7 cm
LED indicators	Yes
Cable lock slot	Yes
Cable lock slot type	Kensington

Performance

Specification	Value
Type	NAS
Device class	Home & Home Office
Backup function	Yes
Backup features	Cloud, iSCSI LUN
Multilingual support	Yes
Card reader integrated	Yes
Compatible memory cards	SD
Share folder access right management	Yes
Web-based management	Yes
Access Control List (ACL)	Yes
Browser supported	Chrome, Firefox, Internet Explorer 10+, Safari 7+
Built-in FTP server	Yes
Built-in iTunes server	Yes
Hot spare	Yes
On/off switch	Yes
Reset button	Yes
S.M.A.R.T. support	Yes
Security algorithms	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Share folder	CIFS/SMB
System log	Yes

Software

Specification	Value
Operating system installed	QNAP Turbo System
Windows operating systems supported	Windows 10, Windows 7, Windows 8
Linux operating systems supported	Yes
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 10.7 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

Power

Specification	Value
Power supply location	External
Power supply unit (PSU) capacity	65 W
Number of power supply units	1
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Fan voltage	12 V

Weight & dimensions

Specification	Value
Width	102 mm
Depth	219 mm
Height	169 mm

Packaging content

Specification	Value
External power adapter	Yes
Cables included	AC, LAN (RJ-45)
Quick installation guide	Yes
Number of screws	14

Processor special features

Specification	Value
Embedded options available	Yes
Enhanced Intel SpeedStep Technology	Yes
Execute Disable Bit	Yes
Idle States	Yes
Intel 64	Yes
Intel Clear Video Technology	Yes
Intel Enhanced Halt State	Yes
Intel Identity Protection Technology version	1.00
Intel Rapid Storage Technology	No
Intel Secure Boot	Yes
Intel Secure Boot Technology version	1.00
Intel Secure Key Technology version	1.00
Intel Small Business Advantage (SBA) version	0.00
Intel Smart Connect Technology	No
Intel Smart Connect Technology version	0.00
Intel Smart Response Technology version	0.00
Intel Stable Image Platform Program (SIPP)	No
Intel Stable Image Platform Program (SIPP) version	0.00
Intel Trusted Execution Technology	No
Intel VT-x with Extended Page Tables (EPT)	Yes
Intel Virtualization Technology (VT-x)	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No
Intel® AES New Instructions (Intel® AES-NI)	Yes
Intel® Anti-Theft Technology (Intel® AT)	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes
Intel® High Definition Audio (Intel® HD Audio)	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No
Intel® Identity Protection Technology (Intel® IPT)	Yes
Intel® InTru™ 3D Technology	No
Intel® Insider™	No
Intel® OS Guard	No
Intel® Quick Sync Video Technology	Yes
Intel® Secure Key	Yes
Intel® Small Business Advantage (Intel® SBA)	No
Intel® Smart Response Technology	No
Intel® Turbo Boost Technology	No
Intel® Wireless Display (Intel® WiDi)	Yes
Maximum number of PCI Express lanes	4
Number of execution units	12
Thermal Monitoring Technologies	Yes
UART	Yes
Memory channels supported by processor	Dual
Memory types supported by processor	DDR3L-SDRAM

Operational conditions

Specification	Value
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%

Other features

Specification	Value
Digital Living Network Alliance (DLNA) certified	Yes
Processor ARK ID	91832

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