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Product comparison · 2 nas & storage servers

QNAP TS-451 NAS/storage server Tower Intel® Celeron® vs QNAP TS-851 NAS/storage server Tower Intel® Celeron®

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  • 70specifications compared
  • 13differ
  • 57identical
  • 3known for one product only

Key differences

  • Number of storage drives supported
    • 4
    • 8
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 3
  • Product colour
    • White
    • Black
  • Number of fans
    • 1 fan(s)
    • 2 fan(s)
  • Power supply unit (PSU) capacity
    • 90 W
    • 350 W
  • Power consumption (typical)
    • 31.07 W
    • 56.79 W
  • Power consumption (sleep)
    • 0.55 W
    • 0.72 W
  • Width
    • 180 mm
    • 298.2 mm

Side by side

Differences highlightedShow differences only
73 specifications
A

QNAP

TS-451 NAS/storage server Tower Intel® Celeron®

Model TS-451

View product
B

QNAP

TS-851 NAS/storage server Tower Intel® Celeron®

Model TS-851

View product
Storage1 differ
Number of storage drives supportedDiffers48
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers23
Design2 differ
Product colourDiffersWhiteBlack
Number of fansDiffers1 fan(s)2 fan(s)
Performance1 differ
On/off switchKnown for oneYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLSFIPS 140-2, HTTPS, SSH, SSL/TLS
Power3 differ
Power supply unit (PSU) capacityDiffers90 W350 W
Power consumption (typical)Differs31.07 W56.79 W
Power consumption (sleep)Differs0.55 W0.72 W
AC input frequencyKnown for one50 - 60 Hz
Weight & dimensions5 differ
WidthDiffers180 mm298.2 mm
DepthDiffers235 mm235.4 mm
HeightDiffers177 mm185.2 mm
WeightDiffers3 kg7.83 kg
Package weightDiffers4.3 kg8.9 kg
Other featuresidentical
Power managementKnown for oneYes

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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