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Product comparison · 2 nas & storage servers

QNAP TS-421U + 4x 2TBWDRED vs Seagate Business Storage 4-Bay + 4x 2TBWDRED

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  • 42specifications compared
  • 18differ
  • 24identical
  • 32known for one product only

Key differences

  • Storage drive interface
    • Serial ATA, Serial ATA II
    • Serial ATA II
  • RAID levels
    • 0, 1, 5, 6, 10, JBOD
    • 0, 1, 5, 10
  • Hot-swap drive bays
    • Yes
    • No
  • Processor family
    • Marvell
    • Cavium
  • Processor frequency
    • 2 GHz
    • 0.7 GHz
  • Internal memory
    • 1 GB
    • 512 GB
  • Flash memory
    • 512 MB
    • 256 MB
  • USB 2.0 ports quantity
    • 2
    • 0

Side by side

Differences highlightedShow differences only
74 specifications
A

QNAP

TS-421U + 4x 2TBWDREDView product
B

Seagate

Business Storage 4-Bay + 4x 2TBWDREDView product
Storage3 differ
Storage drive interfaceDiffersSerial ATA, Serial ATA IISerial ATA II
Storage drive sizeKnown for one2.5/3.5"
RAID levelsDiffers0, 1, 5, 6, 10, JBOD0, 1, 5, 10
Hot-swap drive baysDiffersYesNo
Maximum supported storage capacityKnown for one16 TB
Processor2 differ
Processor familyDiffersMarvellCavium
Processor frequencyDiffers2 GHz0.7 GHz
Processor modelKnown for oneCNS3420
Memory2 differ
Internal memoryDiffers1 GB512 GB
Internal memory typeKnown for oneDDR3
Flash memoryDiffers512 MB256 MB
Networkidentical
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Jumbo frames supportKnown for oneYes
iSCSI supportKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Supported network protocolsKnown for oneCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers20
eSATA ports quantityKnown for one2
Design3 differ
Chassis typeDiffersRack (1U)Desktop
Number of fansDiffers2 fan(s)1 fan(s)
Fan diameterDiffers4 cm9.2 cm
LED indicatorsKnown for oneHDD, LAN, Status, USB
Drive bay lockingKnown for oneYes
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Performance1 differ
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Number of usersKnown for one4096 user(s)
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
Security algorithmsDiffersHTTPS, SSH, SSL/TLSSSL/TLS
Software1 differ
Operating system installedKnown for oneQNAP Turbo System
Windows operating systems supportedDiffersWindows 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 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 PYes
Linux operating systems supportedKnown for oneYes
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Other operating systems supportedKnown for oneAndroid
Power2 differ
Power supply locationDiffersBuilt-inExternal
Power supply unit (PSU) capacityKnown for one250 W
Number of power supply unitsKnown for one1
AC input voltageDiffers100-240 V110-240 V
Fan voltageKnown for one12 V
Weight & dimensions3 differ
WidthDiffers439 mm247 mm
DepthDiffers483 mm377 mm
HeightDiffers44 mm240 mm
Packaging contentidentical
External power adapterKnown for oneNo
Quick installation guideKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one5 - 95%
Other featuresidentical
Compliance certificatesKnown for oneRoHS

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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