Product comparison · 2 nas & storage servers

QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop vs QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop

150specifications compared
45differ
105identical
37known for one product only

Key differences

The QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop has 0.1 GHz more processor frequency than the QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop (1.6 GHz vs 1.5 GHz). The QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop has 0.18 GHz more processor boost frequency than the QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop (2.48 GHz vs 2.3 GHz). The QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop has 2 more processor cores than the QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop (4 vs 2). Only the QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop has Intel Virtualization Technology for Directed I/O (VT-d). Only the QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop has Intel® Wireless Display (Intel® WiDi).

RAID levels
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:0, 1, JBOD
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:0, 1, 5+S, 5, 6, 10, JBOD
Processor model
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:N3060
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:J3455
Processor frequency
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:1.6 GHz
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:1.5 GHz
Processor boost frequency
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:2.48 GHz
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:2.3 GHz
Processor cores
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:2
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:4
Processor threads
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:2
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:4
PCI Express configurations
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:1x2+2x1, 1x4, 2x2, 4x1
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:1x2+2x1, 4x1
Processor cache type
- QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:L2
- QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop, QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop
187 specifications	A QNAP QNAP TS-251A-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop View product	B QNAP QNAP TS-253BE-2G 28TB 2x14TB Seagate IronWolf 2 Bay NAS Desktop View product
Storage3 differ
Storage drives installed	Yes	Yes
Total installed storage capacity	28 TB	28 TB
Number of storage drives installed	2	2
Number of storage drives supported	2	2
Installed storage drive type	HDD	HDD
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacity	14 TB	14 TB
Storage drive interface	Serial ATA III	Serial ATA III
Supported storage drive interfacesDiffers	Serial ATA, Serial ATA II, Serial ATA III	Serial ATA III
Storage drive sizes supported	2.5,3.5"	2.5,3.5"
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, JBOD	0, 1, 5+S, 5, 6, 10, JBOD
Hot-swap drive bays	Yes	Yes
Supported file systemsDiffers	FAT32, HFS+, NTFS, ext3, ext4	FAT32, HFS+, NTFS, exFAT, ext3, ext4
Online RAID migrationKnown for one	Yes	Unknown — not stated by the source
Online RAID expansionKnown for one	Yes	Unknown — not stated by the source
Processor15 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Celeron®	Intel® Celeron®
Processor modelDiffers	N3060	J3455
Processor frequencyDiffers	1.6 GHz	1.5 GHz
Processor boost frequencyDiffers	2.48 GHz	2.3 GHz
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor cache	2 MB	2 MB
CPU configuration (max)	1	1
ECC supported by processor	No	No
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x2+2x1, 4x1
PCI Express slots version	2.0	2.0
Processor cache typeDiffers	L2	Smart Cache
Processor codeDiffers	SR2KN	SR2Z9
Processor codenameDiffers	Braswell	Apollo Lake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor package sizeDiffers	25 x 27 mm	24 x 31 mm
Processor socketDiffers	BGA 1170	BGA 1296
SteppingDiffers	D1	B1
Thermal Design Power (TDP)Differs	6 W	10 W
TjunctionDiffers	90 °C	105 °C
On-board graphics card modelDiffers	Intel® HD Graphics 400	Intel® HD Graphics 500
Maximum internal memory supported by processor	8 GB	8 GB
Conflict-Free processor	Yes	Yes
Integrated 4G WiMAXKnown for one	No	Unknown — not stated by the source
Processor seriesKnown for one	Intel Celeron N3000 series	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	4 W	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR3L	DDR3L
Memory clock speedKnown for one	Unknown — not stated by the source	1866 MHz
Maximum RAM supported	8 GB	8 GB
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory slots	2	2
Flash memoryDiffers	4000 MB	512 MB
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames support	Yes	Yes
iSCSI support	Yes	Yes
Wake-on-LAN ready	Yes	Yes
Dynamic DNS (DDNS)Known for one	Unknown — not stated by the source	Yes
Link aggregation	Yes	Yes
Supported network protocolsDiffers	CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC	IPv4/v6, STP, FTP, CIFS/SMB, AFP, FXP, PPTP
WLAN adapter supportedKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	2	2
USB port	Yes	Yes
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	5
Fiber ports quantity	0	0
HDMI ports quantityDiffers	1	2
3.5 mm (1/8-inch) outKnown for one	Unknown — not stated by the source	Yes
Audio in/outKnown for one	Unknown — not stated by the source	Yes
Graphics2 differ
On-board graphics card base frequencyDiffers	320 MHz	250 MHz
On-board graphics card burst frequencyDiffers	600 MHz	750 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	750 MHz
Maximum on-board graphics card memory	8 GB	8 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card DirectX versionKnown for one	12.0	Unknown — not stated by the source
Design4 differ
Chassis typeDiffers	Desktop	Tower
Cooling type	Active	Active
Product colourDiffers	White	Black, Blue
Number of fans	1 fan(s)	1 fan(s)
Fan diameterDiffers	7 cm	12 cm
LED indicatorsDiffers	Yes	HDD, LAN, Power, Status, USB
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Performance5 differ
Type	NAS	NAS
Device classDiffers	Home & Home Office	Small & Medium Business
Backup function	Yes	Yes
Backup featuresDiffers	Cloud, iSCSI LUN	Cloud, USB drive, iSCSI LUN
Number of usersKnown for one	Unknown — not stated by the source	4096 user(s)
Noise levelKnown for one	Unknown — not stated by the source	16.7 dB
Third-party supportKnown for one	Unknown — not stated by the source	Yes
SnapshotKnown for one	Unknown — not stated by the source	Yes
Management protocolsKnown for one	Unknown — not stated by the source	SNMP
Share folder access right management	Yes	Yes
Web-based management	Yes	Yes
Backup buttonKnown for one	Unknown — not stated by the source	Yes
Browser supportedDiffers	Chrome, Firefox, Internet Explorer 10+, Safari 7+	Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Built-in BitTorrent clientKnown for one	Unknown — not stated by the source	Yes
Built-in FTP server	Yes	Yes
Built-in iTunes server	Yes	Yes
Hot spare	Yes	Yes
On/off switch	Yes	Yes
Remotely operatedKnown for one	Unknown — not stated by the source	Yes
Reset button	Yes	Yes
Security algorithmsDiffers	256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS	256-bit AES, FIPS 140-2, HTTPS, SSH
Share folderDiffers	CIFS/SMB	512
System log	Yes	Yes
USB copy functionKnown for one	Unknown — not stated by the source	Yes
Universal Plug and Play (UPnP)Known for one	Unknown — not stated by the source	Yes
Multilingual supportKnown for one	Yes	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
Access Control List (ACL)Known for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Software2 differ
Operating system installed	QNAP Turbo System	QNAP Turbo System
Operating system versionKnown for one	Unknown — not stated by the source	4.3.4
Windows operating systems supportedDiffers	Windows 10, Windows 7, Windows 8	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 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
Linux operating systems supported	Yes	Yes
Mac operating systems supportedDiffers	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	Yes
Server operating systems supported	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016	Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Power1 differ
Power supply location	External	External
Power supply unit (PSU) capacity	65 W	65 W
Number of power supply units	1	1
Power consumption (typical)Known for one	Unknown — not stated by the source	20.42 W
Power consumption (sleep)Known for one	Unknown — not stated by the source	13.07 W
AC input voltageDiffers	100-240 V	100 - 240 V
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Fan voltageKnown for one	12 V	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	102 mm	105 mm
DepthDiffers	219 mm	226 mm
HeightDiffers	169 mm	168 mm
WeightKnown for one	Unknown — not stated by the source	1.66 kg
Package weightKnown for one	Unknown — not stated by the source	2.76 kg
Packaging content1 differ
External power adapter	Yes	Yes
Cables included	AC, LAN (RJ-45)	AC, LAN (RJ-45)
Quick installation guide	Yes	Yes
Number of screwsDiffers	14	6
Processor special features4 differ
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Boot	Yes	Yes
Intel Secure Boot Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) version	0.00	0.00
Intel Smart Connect Technology	No	No
Intel Smart Connect Technology version	0.00	0.00
Intel Smart Response Technology version	0.00	0.00
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® High Definition Audio (Intel® HD Audio)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® OS Guard	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Maximum number of PCI Express lanesDiffers	4	6
Number of execution units	12	12
Thermal Monitoring Technologies	Yes	Yes
UART	Yes	Yes
Memory channels supported by processor	Dual	Dual
Memory types supported by processorDiffers	DDR3L-SDRAM	DDR3L, LPDDR3-SDRAM, LPDDR4-SDRAM
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Other features1 differ
Processor ARK IDDiffers	91832	95594
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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