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Product comparison · 2 nas & storage servers

QNAP TS-251+ NAS Tower Intel® Celeron® DDR3L vs QNAP TS-451+ NAS Tower Intel® Celeron® DDR3L

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  • 98specifications compared
  • 12differ
  • 86identical
  • 1known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 8 TB
  • Number of storage drives installed
    • 2
    • 4
  • Number of storage drives supported
    • 2
    • 4
  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Fan diameter
    • 7 cm
    • 12 cm
  • Noise level
    • 15.4 dB
    • 16.9 dB
  • Power supply unit (PSU) capacity
    • 60 W
    • 90 W
  • Power consumption (typical)
    • 18.09 W
    • 33.88 W

Side by side

Differences highlightedShow differences only
99 specifications
A

QNAP

TS-251+ NAS Tower Intel® Celeron® DDR3L

Model TS-251+

View product
B

QNAP

TS-451+ NAS Tower Intel® Celeron® DDR3L

Model TS-451+

View product
Storage4 differ
Total installed storage capacityDiffers4 TB8 TB
Number of storage drives installedDiffers24
Number of storage drives supportedDiffers24
RAID levelsDiffers0, 1, JBOD0, 1, 5, 6, 10, JBOD
Design1 differ
Fan diameterDiffers7 cm12 cm
Performance1 differ
Noise levelDiffers15.4 dB16.9 dB
Power3 differ
Power supply unit (PSU) capacityDiffers60 W90 W
Power consumption (typical)Differs18.09 W33.88 W
Power consumption (HDD standby)Differs10.56 W15.78 W
Weight & dimensions3 differ
WidthDiffers102 mm160 mm
WeightDiffers1.28 kg3 kg
Package weightDiffers2.32 kg4.3 kg
Packaging contentidentical
Number of screwsKnown for one14

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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