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Product comparison · 2 disk arrays

Buffalo DriveStation HD-QHU3 disk array vs D-Link DSN-6420 disk array

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  • 19specifications compared
  • 15differ
  • 4identical
  • 19known for one product only

Key differences

  • Number of storage drives installed
    • 4
    • 12
  • Total installed storage capacity
    • 16 TB
    • 24 TB
  • Number of storage drives supported
    • 4
    • 12
  • Storage drive capacity
    • 4 TB
    • 2 TB
  • Storage drive interface
    • Serial ATA III
    • Serial ATA II
  • Chassis type
    • Desktop
    • Rack (2U)
  • Number of power supply units
    • 1
    • 2
  • Width
    • 149 mm
    • 442.8 mm

Side by side

Differences highlightedShow differences only
38 specifications
A

Buffalo

DriveStation HD-QHU3 disk array

Model HD-QHU3

View product
B

D-Link

DSN-6420 disk array

Model DSN-6420

View product
Storage6 differ
Storage drives installedYesYes
Installed storage drive typeHDDHDD
Number of storage drives installedDiffers412
Total installed storage capacityDiffers16 TB24 TB
Supported storage drive typesHDDHDD
Number of storage drives supportedDiffers412
Maximum supported storage capacityKnown for one24 TB
Storage drive capacityDiffers4 TB2 TB
Storage drive interfaceDiffersSerial ATA IIISerial ATA II
RAID levelsDiffers1, 5, 10, JBOD1, 0+1, 3, 5, 6, 10, 30, 50, 60, JBOD
Data transfer rateKnown for one5 Gbit/s
Hot-swap drive baysKnown for oneYes
Storage drive sizeKnown for one3.5"
Ports & interfacesidentical
USB connectivityKnown for oneYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-B ports quantityKnown for one1
Host portsKnown for one4
RJ-45 ports quantityKnown for one1
Design1 differ
Chassis typeDiffersDesktopRack (2U)
InternalKnown for oneNo
Product colourBlackBlack
LED indicatorsKnown for oneHDD, Yes
Cable lock slotKnown for oneYes
Number of fansKnown for one1 fan(s)
Device classKnown for oneSmall & Medium Business
Power1 differ
Number of power supply unitsDiffers12
Power consumption (typical)Known for one90 W
Power supply unit (PSU) capacityKnown for one500 W
AC input voltageKnown for one100-240 V
System requirements2 differ
Mac operating systems supportedDiffersMac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksYes
Windows operating systems supportedDiffersWindows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, WinYes
Linux operating systems supportedKnown for oneYes
Weight & dimensions3 differ
WidthDiffers149 mm442.8 mm
DepthDiffers233 mm500.6 mm
HeightDiffers154 mm88 mm
WeightKnown for one5.5 kg
Packaging contentidentical
Bundled softwareKnown for oneNovaStor NovaBACKUP Business Essentials
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Differs20 - 80%5 - 95%

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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