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Product comparison · 2 nas & storage servers

Buffalo LinkStation 520DN 2TB vs QNAP TS-431XU NAS Rack (1U) Annapurna Labs Alpine AL-314

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  • 47specifications compared
  • 32differ
  • 15identical
  • 62known for one product only

Key differences

  • Storage drives installed
    • Yes
    • No
  • Total installed storage capacity
    • 2 TB
    • 0 TB
  • Number of storage drives installed
    • 2
    • 0
  • Number of storage drives supported
    • 2
    • 4
  • Installed storage drive type
    • HDD
    • No
  • Storage drive capacity
    • 1 TB
    • 0 GB
  • RAID levels
    • 0, 1, JBOD
    • 0, 1, 5, 6, 10, JBOD
  • Processor family
    • Realtek
    • Annapurna Labs

Side by side

Differences highlightedShow differences only
109 specifications
A

Buffalo

LinkStation 520DN 2TBView product
B

QNAP

TS-431XU NAS Rack (1U) Annapurna Labs Alpine AL-314

Model TS-431XU

View product
Storage7 differ
Storage drives installedDiffersYesNo
Total installed storage capacityDiffers2 TB0 TB
Number of storage drives installedDiffers20
Number of storage drives supportedDiffers24
Installed storage drive typeDiffersHDDNo
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacityDiffers1 TB0 GB
Supported storage drive interfacesKnown for oneSerial ATA, Serial ATA II, Serial ATA III
Storage drive sizes supportedKnown for one2.5,3.5"
RAID supportYesYes
RAID levelsDiffers0, 1, JBOD0, 1, 5, 6, 10, JBOD
Online RAID migrationKnown for oneYes
Online RAID expansionKnown for oneYes
Hot-swap drive baysKnown for oneYes
Supported file systemsKnown for oneFAT32, HFS+, NTFS, ext3, ext4
Bad block scanKnown for oneYes
Storage drive interfaceKnown for oneSerial ATA II
Storage drive sizeKnown for one3.5"
Maximum supported storage capacityKnown for one8 TB
Processor4 differ
Processor familyDiffersRealtekAnnapurna Labs
Processor modelDiffersRTD1195NAlpine AL-314
Processor frequencyDiffers1 GHz1.7 GHz
Processor coresDiffers24
Processor architectureKnown for oneARM Cortex-A15
Memory1 differ
Internal memoryDiffers0.25 GB2 GB
Internal memory typeDDR3DDR3
Maximum RAM supportedKnown for one16 GB
Memory slotsKnown for one2
Flash memoryKnown for one512 MB
Network2 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100,1000,10000 Mbit/s
Ethernet LAN data rate supported (max)Known for one10000 Mbit/s
Wi-FiNoNo
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Jumbo frames supportKnown for oneYes
iSCSI supportKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Dynamic DNS (DDNS)Known for oneYes
Supported network protocolsDiffersTCP/IPCIFS/SMB, AFP v3.3, NFSv3, FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC, TCP/IP, IPv4 & IPv6
WLAN adapter supportedKnown for oneYes
Data link protocolsKnown for oneSMB/CIFS, AFP, FTP, HTTP/HTTPS
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers12
USB portYesYes
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers14
Fiber ports quantityDiffers02
Fiber optic connectorKnown for oneSFP+
Design2 differ
Chassis typeDiffersDesktopRack (1U)
Cooling typeActiveActive
Product colourBlackBlack
Number of fansKnown for one2 fan(s)
Fan diameterKnown for one4 cm
LED indicatorsDiffersYesHDD, LAN, Power, Status
Cable lock slotYesYes
Cable lock slot typeKnown for oneKensington
Performance1 differ
TypeNASNAS
Device classDiffersHome & Home OfficeSmall & Medium Business
Backup functionYesYes
Backup featuresKnown for oneCloud, iSCSI LUN
Multilingual supportKnown for oneYes
Noise levelKnown for one37.7 dB
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
Browser supportedKnown for oneInternet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
Hot spareKnown for oneYes
On/off switchKnown for oneYes
Password authenticationKnown for oneYes
Remotely operatedKnown for oneYes
Reset buttonKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsKnown for one256-bit AES, HTTPS, SNMP, SSH, SSL/TLS
Share folderKnown for oneCIFS/SMB
System logKnown for oneYes
Universal Plug and Play (UPnP)Known for oneYes
Software2 differ
Operating system installedKnown for oneQNAP Turbo System
Operating system versionKnown for one4.3
Windows operating systems supportedDiffersWindows 10, Windows 7, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, 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 Home Premium, Windows
Linux operating systems supportedKnown for oneYes
Mac compatibilityYesYes
Mac operating systems supportedDiffersMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac 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 10.12 Sierra, 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 Ma
Server operating systems supportedKnown for oneWindows Server 2012, Windows Server 2012 R2
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityKnown for one240 W
Number of power supply unitsKnown for one1
Power consumption (typical)Known for one36.97 W
AC input voltageDiffers100 - 240 V100-240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Fan voltageKnown for one12 V
Output currentKnown for one3.5 A
Power consumption (max)Known for one36 W
Weight & dimensions5 differ
WidthDiffers87 mm439 mm
DepthDiffers205 mm499 mm
HeightDiffers126 mm44 mm
WeightDiffers2.5 kg7.5 kg
Package weightDiffers3 kg9.44 kg
Package widthKnown for one128 mm
Package depthKnown for one224 mm
Package heightKnown for one254 mm
Packaging content1 differ
Cables includedDiffersLAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsKnown for one28
External power adapterKnown for oneYes
Operational conditions2 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Differs20 - 80%5 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Power managementKnown for oneYes

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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