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Product comparison · 2 nas & storage servers

Buffalo LinkStation Duo 2TB vs QNAP SS-839 Pro

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  • 29specifications compared
  • 18differ
  • 11identical
  • 45known for one product only

Key differences

  • Number of storage drives installed
    • 2
    • 4
  • Number of storage drives supported
    • 2
    • 8
  • Storage drive capacity
    • 1 TB
    • 500 GB
  • Processor family
    • Marvell
    • Intel Atom®
  • Processor frequency
    • 0.6 GHz
    • 1.6 GHz
  • Internal memory
    • 0.128 GB
    • 2 GB
  • Internal memory type
    • DDR3
    • DDR2
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2

Side by side

Differences highlightedShow differences only
74 specifications
A

Buffalo

LinkStation Duo 2TBView product
B

QNAP

SS-839 ProView product
Storage3 differ
Number of storage drives installedDiffers24
Number of storage drives supportedDiffers28
Supported storage drive typesKnown for oneHDD
Storage drive capacityDiffers1 TB500 GB
Maximum supported storage capacityKnown for one8 TB
RAID levelsKnown for one1, JBOD
Hot-swap drive baysKnown for oneYes
Storage drive sizeKnown for one2.5"
Processor2 differ
Processor familyDiffersMarvellIntel Atom®
Processor modelKnown for one88F6281
Processor frequencyDiffers0.6 GHz1.6 GHz
Number of processors installedKnown for one1
Memory2 differ
Internal memoryDiffers0.128 GB2 GB
Internal memory typeDiffersDDR3DDR2
Flash memoryKnown for one128 MB
Network1 differ
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-FiKnown for oneNo
Data link protocolsDiffersSMB/CIFS, AFP, FTP/FTPS, SFTP, HTTP/HTTPSCIFS/SMB, AFP, NFS, FTP, HTTP, HTTPS, Telnet, SSH, iSCSI, SNMP
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
iSCSI supportKnown for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers12
USB 2.0 ports quantityDiffers15
Fiber ports quantityKnown for one0
eSATAKnown for oneYes
Design1 differ
Chassis typeDiffersDesktopTower
Performance1 differ
TypeDiffersStorage serverNAS
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
Multilingual supportKnown for oneYes
Noise levelKnown for one35.8 dB
On/off switchKnown for oneYes
Reset buttonKnown 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
Operating system installedKnown for oneLinux
Power1 differ
Power supply locationKnown for oneExternal
Number of power supply unitsKnown for one1
Power consumption (typical)Differs26 W34 W
AC input voltageKnown for one100-240 V
AC input frequencyKnown for one50 Hz
Power consumption (sleep)Known for one25 W
Output powerKnown for one220 W
Weight & dimensions4 differ
WidthDiffers86 mm180 mm
DepthDiffers204 mm235 mm
HeightDiffers127 mm177 mm
WeightDiffers2.3 kg3.92 kg
Package weightKnown for one5 kg
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 80%
Relative humidityKnown for one0 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Compatible operating systemsKnown for oneWindows 2000, XP, Vista, Windows 7 (32/64), Server 2003/ 2008 Apple Mac OS X Linux Unix
Dimensions (WxDxH)Known for one180 x 235 x 177 mm
Link/Act LEDKnown for oneYes
Power LEDKnown for oneNo
Connectivity LEDsKnown for oneStatus, LAN, USB, eSATA, HDD
Packaging contentidentical
External power adapterKnown for oneNo

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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