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Product comparison · 2 nas & storage servers

QNAP TS-451-4G, 16TB vs QNAP TS-451+ NAS Tower Intel® Celeron® DDR3L

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  • 65specifications compared
  • 20differ
  • 45identical
  • 40known for one product only

Key differences

  • Total installed storage capacity
    • 16 TB
    • 8 TB
  • Processor frequency
    • 2.41 GHz
    • 2 GHz
  • Processor cores
    • 2
    • 4
  • Product colour
    • White
    • Black
  • LED indicators
    • Yes
    • HDD, LAN, Power, Status, USB
  • Backup features
    • Cloud
    • Cloud, USB drive, iSCSI LUN
  • Management protocols
    • SNMP, Telnet
    • SNMP
  • Operating system installed
    • QNAP Turbo NAS System
    • QNAP Turbo System

Side by side

Differences highlightedShow differences only
105 specifications
A

QNAP

TS-451-4G, 16TBView product
B

QNAP

TS-451+ NAS Tower Intel® Celeron® DDR3L

Model TS-451+

View product
Storage2 differ
Total installed storage capacityDiffers16 TB8 TB
Number of storage drives installedKnown for one4
Storage drive capacityKnown for one2 TB
Supported storage drive interfacesKnown for oneSerial ATA II, Serial ATA III
Storage drive sizes supportedKnown for one2.5,3.5"
Online RAID migrationKnown for oneYes
Online RAID expansionKnown for oneYes
Supported file systemsDiffersext3, ext4, FAT32, HFS+, NTFSFAT32, HFS+, NTFS, exFAT, ext3, ext4
Bad block scanKnown for oneYes
Storage drive interfaceKnown for oneSerial ATA III
Storage drive sizeKnown for one2.5/3.5"
Processor2 differ
Processor frequencyDiffers2.41 GHz2 GHz
Processor coresDiffers24
Memoryidentical
Memory clock speedKnown for one1600 MHz
Memory form factorKnown for oneSO-DIMM
Internal memoryKnown for one4 GB
Network1 differ
Dynamic DNS (DDNS)Known for oneYes
Link aggregationKnown for oneYes
Supported network protocolsDiffersCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSCCIFS/SMB, AFP v3.3, NFS v3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfacesidentical
USB portKnown for oneYes
Design2 differ
Product colourDiffersWhiteBlack
LED indicatorsDiffersYesHDD, LAN, Power, Status, USB
Performance3 differ
Backup featuresDiffersCloudCloud, USB drive, iSCSI LUN
Noise levelKnown for one16.9 dB
SnapshotKnown for oneYes
Management protocolsDiffersSNMP, TelnetSNMP
Share folder access right managementKnown for oneYes
Backup buttonKnown for oneYes
Browser supportedKnown for oneApple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
On/off switchKnown for oneYes
Remotely operatedKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS256-bit AES, FIPS 140-2, HTTPS, SSH
Share folderKnown for one512
System logKnown for oneYes
Universal Plug and Play (UPnP)Known for oneYes
Multilingual supportKnown for oneYes
Access Control List (ACL)Known for oneYes
Software4 differ
Operating system installedDiffersQNAP Turbo NAS SystemQNAP Turbo System
Operating system versionDiffers4.14.3
Windows operating systems supportedDiffersYesWindows 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
Mac compatibilityKnown for oneYes
Mac operating systems supportedDiffersYesMac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Power3 differ
Power consumption (typical)Differs31.07 W33.88 W
Power consumption (sleep)Differs0.55 W0.57 W
Power consumption (HDD standby)Known for one15.78 W
AC input voltageDiffers100-240 V100 - 240 V
Number of power supply unitsKnown for one1
Weight & dimensions3 differ
WidthDiffers180 mm160 mm
DepthDiffers235 mm219 mm
HeightDiffers177 mm169 mm
Packaging contentidentical
External power adapterKnown for oneYes
Cables includedKnown for oneAC, LAN (RJ-45)
Quick installation guideKnown for oneYes
Remote control includedKnown for oneYes
Other featuresidentical
Number of simultaneous usersKnown for one4096 user(s)
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes

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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