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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
Storage drives installedYesYes
Total installed storage capacityDiffers16 TB8 TB
Number of storage drives installedKnown for one4
Number of storage drives supported44
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
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"
RAID supportYesYes
RAID levels0, 1, 5, 6, 10, JBOD0, 1, 5, 6, 10, JBOD
Online RAID migrationKnown for oneYes
Online RAID expansionKnown for oneYes
Hot-swap drive baysYesYes
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 familyIntel® Celeron®Intel® Celeron®
Processor frequencyDiffers2.41 GHz2 GHz
Processor coresDiffers24
Memoryidentical
Internal memory typeDDR3LDDR3L
Memory clock speedKnown for one1600 MHz
Maximum RAM supported8 GB8 GB
Memory form factorKnown for oneSO-DIMM
Memory slots22
Flash memory512 MB512 MB
Internal memoryKnown for one4 GB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
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
Ethernet LAN (RJ-45) ports22
USB portKnown for oneYes
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
HDMI ports quantity11
Design2 differ
Chassis typeTowerTower
Cooling typeActiveActive
Product colourDiffersWhiteBlack
Number of fans1 fan(s)1 fan(s)
Fan diameter12 cm12 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status, USB
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance3 differ
TypeNASNAS
Device classHome & Home OfficeHome & Home Office
Backup functionYesYes
Backup featuresDiffersCloudCloud, USB drive, iSCSI LUN
BuzzerYesYes
Noise levelKnown for one16.9 dB
SnapshotKnown for oneYes
Management protocolsDiffersSNMP, TelnetSNMP
Share folder access right managementKnown for oneYes
Web-based managementYesYes
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
Reset buttonYesYes
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
Linux operating systems supportedYesYes
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 supply locationExternalExternal
Power supply unit (PSU) capacity90 W90 W
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
Fan voltage12 V12 V
Number of power supply unitsKnown for one1
Weight & dimensions3 differ
WidthDiffers180 mm160 mm
DepthDiffers235 mm219 mm
HeightDiffers177 mm169 mm
Weight3 kg3 kg
Package weight4.3 kg4.3 kg
Packaging contentidentical
External power adapterKnown for oneYes
Cables includedKnown for oneAC, LAN (RJ-45)
Quick installation guideKnown for oneYes
Remote control includedKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
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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