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Product comparison · 2 nas & storage servers

QNAP TS-420U 4x3TB vs QNAP TS-421U 2x2TB

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  • 64specifications compared
  • 6differ
  • 58identical
  • 0known for one product only

Key differences

  • Total installed storage capacity
    • 12 TB
    • 4 TB
  • Number of storage drives installed
    • 4
    • 2
  • Storage drive capacity
    • 3 TB
    • 2 TB
  • Processor frequency
    • 1.6 GHz
    • 2 GHz
  • Power consumption (typical)
    • 29 W
    • 33 W
  • Power consumption (sleep)
    • 15 W
    • 12 W

Side by side

Differences highlightedShow differences only
64 specifications
A

QNAP

TS-420U 4x3TBView product
B

QNAP

TS-421U 2x2TBView product
Storage3 differ
Total installed storage capacityDiffers12 TB4 TB
Number of storage drives installedDiffers42
Storage drive capacityDiffers3 TB2 TB
Processor1 differ
Processor frequencyDiffers1.6 GHz2 GHz
Power2 differ
Power consumption (typical)Differs29 W33 W
Power consumption (sleep)Differs15 W12 W

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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