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Product comparison · 2 nas & storage servers

QNAP TS-221 + 2x 2TBWDRED vs QNAP TS-421U + 4x 1TBWDRED

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  • 65specifications compared
  • 18differ
  • 47identical
  • 5known for one product only

Key differences

The QNAP TS-421U + 4x 1TBWDRED has 2 more storage drives installed than the QNAP TS-221 + 2x 2TBWDRED (4 vs 2). The QNAP TS-421U + 4x 1TBWDRED has 2 more storage drives supported than the QNAP TS-221 + 2x 2TBWDRED (4 vs 2). The QNAP TS-221 + 2x 2TBWDRED has 1 TB more storage drive capacity than the QNAP TS-421U + 4x 1TBWDRED (2 TB vs 1 TB). Only the QNAP TS-221 + 2x 2TBWDRED has external power adapter. Supported storage drive types: HDD & SSD on the QNAP TS-221 + 2x 2TBWDRED, HDD on the QNAP TS-421U + 4x 1TBWDRED.

  • Number of storage drives installed
    • 2
    • 4
  • Number of storage drives supported
    • 2
    • 4
  • Supported storage drive types
    • HDD & SSD
    • HDD
  • Storage drive capacity
    • 2 TB
    • 1 TB
  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 2
  • Chassis type
    • Tower
    • Rack (1U)

Side by side

Differences highlightedShow differences only
70 specifications
A

QNAP

TS-221 + 2x 2TBWDREDView product
B

QNAP

TS-421U + 4x 1TBWDREDView product
Storage5 differ
Number of storage drives installedDiffers24
Number of storage drives supportedDiffers24
Supported storage drive typesDiffersHDD & SSDHDD
Storage drive capacityDiffers2 TB1 TB
RAID levelsDiffers0, 1, JBOD0, 1, 5, 6, 10, JBOD
Network1 differ
Jumbo frames supportKnown 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 & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers12
Design2 differ
Chassis typeDiffersTowerRack (1U)
Fan diameterDiffers7 cm4 cm
Performance2 differ
Device classDiffersHome & Home OfficeSmall & Medium Business
Number of usersDiffers2048 user(s)4096 user(s)
Softwareidentical
Operating system installedKnown for oneQNAP Turbo System
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers60 W250 W
Fan voltageKnown for one12 V
Power consumption (typical)Known for one16 W
Power consumption (sleep)Known for one8 W
Weight & dimensions3 differ
WidthDiffers102 mm439 mm
DepthDiffers216 mm483 mm
HeightDiffers150 mm44 mm
Packaging content1 differ
External power adapterDiffersYesNo

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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