Product comparison · 2 nas & storage servers

QNAP TS-451-4G NAS/storage server Tower Intel® Celeron® vs QNAP TS-651-4G NAS/storage server Tower Intel® Celeron®

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  • 43specifications compared
  • 11differ
  • 32identical
  • 2known for one product only

Key differences

  • Number of storage drives supported
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:4
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:6
  • Internal memory type
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:DDR3
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:DDR3L
  • USB 2.0 ports quantity
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:2
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:3
  • Product colour
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:Grey, Silver
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:Black
  • Power supply location
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:External
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:Built-in
  • Power consumption (typical)
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:31.07 W
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:39.42 W
  • Power consumption (sleep)
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:0.55 W
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:0.41 W
  • Width
    • TS-451-4G NAS/storage server Tower Intel® Celeron®:180 mm
    • TS-651-4G NAS/storage server Tower Intel® Celeron®:257 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of TS-451-4G, TS-651-4G
45 specifications
Storage1 differ
Number of storage drives supportedDiffers46
Memory1 differ
Internal memory typeDiffersDDR3DDR3L
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers23
Design1 differ
Product colourDiffersGrey, SilverBlack
Power3 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityKnown for one90 WUnknown — not stated by the source
Power consumption (typical)Differs31.07 W39.42 W
Power consumption (sleep)Differs0.55 W0.41 W
AC input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Weight & dimensions4 differ
WidthDiffers180 mm257 mm
HeightDiffers177 mm175 mm
WeightDiffers3 kg6.18 kg
Package weightDiffers4.3 kg6.9 kg

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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