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Product comparison · 2 nas & storage servers

QNAP TS-420 + 4x 1TBWDRED vs QNAP TS-421 + 4x 3TBWDRED

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  • 66specifications compared
  • 6differ
  • 60identical
  • 5known for one product only

Key differences

The QNAP TS-421 + 4x 3TBWDRED has 8 TB more total installed storage capacity than the QNAP TS-420 + 4x 1TBWDRED (12 TB vs 4 TB). The QNAP TS-421 + 4x 3TBWDRED has 2 TB more storage drive capacity than the QNAP TS-420 + 4x 1TBWDRED (3 TB vs 1 TB). The QNAP TS-421 + 4x 3TBWDRED has 0.4 GHz more processor frequency than the QNAP TS-420 + 4x 1TBWDRED (2 GHz vs 1.6 GHz). LED indicators: HDD, LAN, Status, USB on the QNAP TS-420 + 4x 1TBWDRED, eSATA, HDD, LAN, Status, USB on the QNAP TS-421 + 4x 3TBWDRED.

  • Total installed storage capacity
    • 4 TB
    • 12 TB
  • Storage drive capacity
    • 1 TB
    • 3 TB
  • Processor frequency
    • 1.6 GHz
    • 2 GHz
  • Internal memory
    • 0.512 GB
    • 1 GB
  • LED indicators
    • HDD, LAN, Status, USB
    • eSATA, HDD, LAN, Status, USB

Side by side

Differences highlightedShow differences only
71 specifications
A

QNAP

TS-420 + 4x 1TBWDREDView product
B

QNAP

TS-421 + 4x 3TBWDREDView product
Storage2 differ
Total installed storage capacityDiffers4 TB12 TB
Storage drive capacityDiffers1 TB3 TB
Maximum supported storage capacityKnown for one16 TB
Processor1 differ
Processor frequencyDiffers1.6 GHz2 GHz
Memory1 differ
Internal memoryDiffers0.512 GB1 GB
Network1 differ
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
Design1 differ
LED indicatorsDiffersHDD, LAN, Status, USBeSATA, HDD, LAN, Status, USB
Performanceidentical
Security algorithmsKnown for oneHTTPS, SSH, SSL/TLS
Softwareidentical
Operating system versionKnown for one4.0
Packaging contentidentical
Quick installation guideKnown for oneYes
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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