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Product comparison · 2 nas & storage servers

QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN vs QNAP TS-451U-1G + 4X ST4000VX000

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  • 57specifications compared
  • 24differ
  • 33identical
  • 21known for one product only

Key differences

The QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN has 8 TB more total installed storage capacity than the QNAP TS-451U-1G + 4X ST4000VX000 (24 TB vs 16 TB). The QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN has 2 TB more storage drive capacity than the QNAP TS-451U-1G + 4X ST4000VX000 (6 TB vs 4 TB). The QNAP TS-451U-1G + 4X ST4000VX000 has 0.41 GHz more processor frequency than the QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN (2.41 GHz vs 2 GHz). Supported storage drive types: HDD on the QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN, HDD & SSD on the QNAP TS-451U-1G + 4X ST4000VX000. RAID levels: 0, 0+1, JBOD on the QNAP TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5IN, 0, 1, 5, 6, 10, JBOD on the QNAP TS-451U-1G + 4X ST4000VX000.

  • Total installed storage capacity
    • 24 TB
    • 16 TB
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Storage drive capacity
    • 6 TB
    • 4 TB
  • RAID levels
    • 0, 0+1, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Processor frequency
    • 2 GHz
    • 2.41 GHz
  • Processor cores
    • 4
    • 2
  • Internal memory
    • 2 GB
    • 1 GB
  • Internal memory type
    • DDR3L
    • DDR3

Side by side

Differences highlightedShow differences only
78 specifications
A

QNAP

TS-451 4 BAY 2.41 GHZ 2X GBE +4XDESKST IDK 6TB NAS EMEA 3.5INView product
B

QNAP

TS-451U-1G + 4X ST4000VX000View product
Storage4 differ
Storage drives installedYesYes
Total installed storage capacityDiffers24 TB16 TB
Number of storage drives installed44
Number of storage drives supported44
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityDiffers6 TB4 TB
Storage drive interfaceSerial ATA II, Serial ATA IIISerial ATA II, Serial ATA III
Storage drive size2.5/3.5"2.5/3.5"
RAID supportYesYes
RAID levelsDiffers0, 0+1, JBOD0, 1, 5, 6, 10, JBOD
Hot-swap drive baysYesYes
Supported file systemsKnown for oneHFS+, NTFS, ext3, ext4
Processor2 differ
Processor familyIntel® Celeron®Intel® Celeron®
Processor frequencyDiffers2 GHz2.41 GHz
Processor coresDiffers42
Memory2 differ
Internal memoryDiffers2 GB1 GB
Internal memory typeDiffersDDR3LDDR3
Memory clock speedKnown for one1600 MHz
Maximum RAM supportedKnown for one8 GB
Memory slotsKnown for one2
Flash memory512 MB512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
Jumbo frames supportKnown for oneYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
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 & interfaces2 differ
Ethernet LAN (RJ-45) ports22
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Fiber ports quantity00
HDMI ports quantity11
Design5 differ
Chassis typeDiffersTowerRack (1U)
Cooling typeActiveActive
Product colourDiffersBlackBlack, Grey
Number of fansDiffers1 fan(s)2 fan(s)
Fan diameterDiffers12 cm4 cm
LED indicatorsDiffersHDD, LAN, Power, Status, USBYes
Built-in displayKnown for oneNo
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Drive bay lockingKnown for oneYes
Performance1 differ
TypeNASNAS
Device classDiffersHome & Home OfficeSmall & Medium Business
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
BuzzerYesYes
Multilingual supportYesYes
Security algorithmsKnown for oneHTTPS, SSH
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
MAC address filteringKnown for oneYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
Software2 differ
Operating system installedQNAP Turbo SystemQNAP Turbo System
Operating system versionDiffers4.24.1
Windows operating systems supportedDiffersWindows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, WinYes
Linux operating systems supportedYesYes
Mac operating systems supportedYesYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers90 W250 W
Number of power supply units11
AC input voltage100-240 V100-240 V
AC input frequencyKnown for one50 - 60 Hz
Fan voltageKnown for one12 V
Weight & dimensions3 differ
WidthDiffers180 mm439 mm
DepthDiffers235 mm499 mm
HeightDiffers177 mm44 mm
Packaging contentidentical
External power adapterKnown for oneYes
Quick installation guideYesYes
Cables includedKnown for oneAC, LAN (RJ-45)
Operational conditionsidentical
Operating relative humidity (H-H)5 - 95%5 - 95%
Operating temperature (T-T)Known for one0 - 40 °C

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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