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Product comparison · 2 nas & storage servers

Buffalo TeraStation 51210RH NAS Rack (2U) Annapurna Labs Alpine AL-314 vs QNAP TS-251+-2G NAS Tower Intel® Celeron®

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  • 42specifications compared
  • 22differ
  • 20identical
  • 44known for one product only

Key differences

  • Total installed storage capacity
    • 8 TB
    • 6 TB
  • Number of storage drives supported
    • 4
    • 2
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Storage drive size
    • 2.5"
    • 3.5"
  • RAID levels
    • 0, 1, 5, 6, 10, JBOD
    • 0, 1, JBOD
  • Processor family
    • Annapurna Labs
    • Intel® Celeron®
  • Processor frequency
    • 1.7 GHz
    • 2 GHz
  • Internal memory
    • 8 GB
    • 2 GB

Side by side

Differences highlightedShow differences only
86 specifications
A

Buffalo

TeraStation 51210RH NAS Rack (2U) Annapurna Labs Alpine AL-314

Model 51210RH

View product
B

QNAP

TS-251+-2G NAS Tower Intel® Celeron®

Model TS-251+-2G

View product
Storage6 differ
Storage drives installedYesYes
Total installed storage capacityDiffers8 TB6 TB
Number of storage drives installedKnown for one2
Number of storage drives supportedDiffers42
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityKnown for one3 TB
Storage drive interfaceDiffersSerial ATA IIISerial ATA II, Serial ATA III
Storage drive sizeDiffers2.5"3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 6, 10, JBOD0, 1, JBOD
Hot-swap drive baysYesYes
Supported file systemsKnown for oneFAT32, HFS+, NTFS, ext3, ext4
Processor2 differ
Processor familyDiffersAnnapurna LabsIntel® Celeron®
Processor frequencyDiffers1.7 GHz2 GHz
Processor cores44
Processor modelKnown for oneAlpine AL-314
Memory1 differ
Internal memoryDiffers8 GB2 GB
Internal memory typeDDR3DDR3
Maximum RAM supportedKnown for one8 GB
Memory slotsKnown for one2
Flash memoryKnown for one512 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
iSCSI supportYesYes
Wake-on-LAN readyKnown for oneYes
Ethernet LAN data rate supported (max)Known for one10000 Mbit/s
Supported network protocolsKnown for oneTCP/IP, CIFS/SMB, AFP, FTP, SFTP, NFS, SNMP
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers42
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
HDMI ports quantityKnown for one1
USB portKnown for oneYes
Design3 differ
Chassis typeDiffersRack (2U)Tower
Cooling typeActiveActive
Product colourDiffersBlackGrey
Number of fansKnown for one1 fan(s)
Fan diameterKnown for one7 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status, USB
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Performanceidentical
TypeNASNAS
Device classKnown for oneHome & Home Office
Backup functionYesYes
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
On/off switchKnown for oneYes
Reset buttonKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Backup featuresKnown for oneCloud
Software4 differ
Operating system installedDiffersLinuxQNAP Turbo System
Operating system versionKnown for one4.2
Windows operating systems supportedDiffersWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 HWindows 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, Win
Linux operating systems supportedKnown for oneYes
Mac compatibilityYesYes
Mac operating systems supportedDiffersMac OS X 10.9 MavericksMac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.2 Jaguar, Mac 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 supportedDiffersWindows Server 2008, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 R2 x64, Windows Server 2012 x64Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Bundled softwareKnown for oneNASNavigator2, NovaBACKUP Buffalo
Power1 differ
Power supply locationDiffersBuilt-inExternal
Power supply unit (PSU) capacityKnown for one60 W
AC input voltage100-240 V100-240 V
Fan voltageKnown for one12 V
Number of power supply unitsKnown for one1
Power consumption (max)Known for one500 W
Power consumption (typical)Known for one122 W
Power consumption (sleep)Known for one3.9 W
AC input frequencyKnown for one50 - 60 Hz
Weight & dimensions3 differ
WidthDiffers736.9 mm102 mm
DepthDiffers481 mm225 mm
HeightDiffers88 mm168.5 mm
WeightKnown for one20 kg
Packaging contentidentical
External power adapterKnown for oneYes
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideKnown for oneYes
Quick start guideKnown for oneYes
Rack mount kitKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs10 - 85%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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