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Product comparison · 2 nas & storage servers

Buffalo LinkStation Duo 2TB vs QNAP TS-639/3TB Tower

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  • 12specifications compared
  • 12differ
  • 0identical
  • 48known for one product only

Key differences

  • Total installed storage capacity
    • 2 TB
    • 3 TB
  • Number of storage drives supported
    • 2
    • 6
  • Processor frequency
    • 0.6 GHz
    • 1.6 GHz
  • Internal memory
    • 0.128 GB
    • 1 GB
  • Internal memory type
    • DDR3
    • DDR2
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • USB 2.0 ports quantity
    • 1
    • 5
  • Chassis type
    • Desktop
    • Tower

Side by side

Differences highlightedShow differences only
60 specifications
A

Buffalo

LinkStation Duo 2TBView product
B

QNAP

TS-639/3TB Tower

Model TS-639/3TB

View product
Storage2 differ
Storage drives installedKnown for oneYes
Total installed storage capacityDiffers2 TB3 TB
Number of storage drives installedKnown for one2
Number of storage drives supportedDiffers26
Installed storage drive typeKnown for oneHDD
Supported storage drive typesKnown for oneHDD
Storage drive capacityKnown for one1 TB
Storage drive interfaceKnown for oneSerial ATA II
Maximum supported storage capacityKnown for one8 TB
RAID supportKnown for oneYes
RAID levelsKnown for one1, JBOD
Hot-swap drive baysKnown for oneYes
Processor1 differ
Processor familyKnown for oneMarvell
Processor modelKnown for one88F6281
Processor frequencyDiffers0.6 GHz1.6 GHz
Memory2 differ
Internal memoryDiffers0.128 GB1 GB
Internal memory typeDiffersDDR3DDR2
Flash memoryKnown for one128 MB
Networkidentical
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiKnown for oneNo
Data link protocolsKnown for oneSMB/CIFS, AFP, FTP/FTPS, SFTP, HTTP/HTTPS
Supported network protocolsKnown for oneTCP/IP
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers15
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
Fiber ports quantityKnown for one0
eSATAKnown for oneYes
Design2 differ
Chassis typeDiffersDesktopTower
Cooling typeKnown for oneActive
Product colourKnown for oneBlack
Number of fansDiffers1 fan(s)2 fan(s)
Performanceidentical
TypeKnown for oneStorage server
Device classKnown for oneHome & Home Office
Backup functionKnown for oneYes
Management protocolsKnown for oneHTTP, HTTPS
Web-based managementKnown for oneYes
Built-in BitTorrent clientKnown for oneYes
Powerful backup NovaBACKUP ProfessionalKnown for oneYes
Softwareidentical
Windows operating systems supportedKnown for oneWindows 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 Vista
Mac operating systems supportedKnown for oneMac OS X 10.3 Panther, Mac 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 Mavericks
Server operating systems supportedKnown for oneWindows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2008 x64
Poweridentical
Power supply locationKnown for oneExternal
Number of power supply unitsKnown for one1
Power consumption (typical)Known for one26 W
AC input voltageKnown for one100-240 V
AC input frequencyKnown for one50 Hz
Output powerKnown for one250 W
Weight & dimensions1 differ
WidthKnown for one86 mm
DepthKnown for one204 mm
HeightKnown for one127 mm
WeightDiffers2.3 kg5.2 kg
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Differs20 - 80%0 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Compatible operating systemsKnown for oneWindows 2000/XP/Vista/7/Server 2003/2008, Mac OS X, Linux, Unix
Dimensions (WxDxH)Known for one257 x 235 x 175 mm
FanKnown for one2x90mm
Link/Act LEDKnown for oneYes
Power requirementsKnown for one100 - 240V

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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