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Product comparison · 2 nas & storage servers

QNAP TS-409 Pro Turbo NAS vs QNAP TS-639 Pro Turbo NAS

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  • 25specifications compared
  • 12differ
  • 13identical
  • 1known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 1.5 TB
  • Number of storage drives installed
    • 4
    • 6
  • Storage drive capacity
    • 4 TB
    • 1.5 TB
  • Processor frequency
    • 0.5 GHz
    • 1.6 GHz
  • Internal memory
    • 0.25 GB
    • 1 GB
  • Flash memory
    • 8 MB
    • 128 MB
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 3
    • 5

Side by side

Differences highlightedShow differences only
26 specifications
A

QNAP

TS-409 Pro Turbo NASView product
B

QNAP

TS-639 Pro Turbo NASView product
Storage3 differ
Total installed storage capacityDiffers4 TB1.5 TB
Number of storage drives installedDiffers46
Storage drive capacityDiffers4 TB1.5 TB
Processor1 differ
Processor frequencyDiffers0.5 GHz1.6 GHz
Memory2 differ
Internal memoryDiffers0.25 GB1 GB
Flash memoryDiffers8 MB128 MB
Networkidentical
iSCSI supportKnown for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers35
Power1 differ
Power consumption (typical)Differs18.8 W86.64 W
Weight & dimensions1 differ
WeightDiffers3 kg5.2 kg
Other features2 differ
Compatible operating systemsDiffersWin 98/ ME/ NT/ 2000/ XP/ 2003/ Vista Mac OS X Linux UnixWin 98/ ME/ NT/ 2000/ XP/ 2003/ Vista Mac OS X
Dimensions (WxDxH)Differs176 x 225 x 188 mm257 x 235 x 175 mm

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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