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Product comparison · 2 nas & storage servers

Buffalo TeraStation 5400 24TB vs QNAP HS-251+ NAS/storage server Compact Intel® Celeron®

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  • 37specifications compared
  • 21differ
  • 16identical
  • 77known for one product only

Key differences

  • Storage drives installed
    • Yes
    • No
  • Total installed storage capacity
    • 24 TB
    • 0 TB
  • Number of storage drives installed
    • 4
    • 0
  • Number of storage drives supported
    • 4
    • 2
  • Installed storage drive type
    • HDD
    • No
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Maximum supported storage capacity
    • 24 TB
    • 12 TB
  • Processor family
    • Intel Atom®
    • Intel® Celeron®

Side by side

Differences highlightedShow differences only
114 specifications
A

Buffalo

TeraStation 5400 24TBView product
B

QNAP

HS-251+ NAS/storage server Compact Intel® Celeron®

Model HS-251+

View product
Storage8 differ
Storage drives installedDiffersYesNo
Total installed storage capacityDiffers24 TB0 TB
Number of storage drives installedDiffers40
Number of storage drives supportedDiffers42
Installed storage drive typeDiffersHDDNo
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive capacityKnown for one6 TB
Storage drive interfaceDiffersSerial ATASerial ATA, Serial ATA II, Serial ATA III
Maximum supported storage capacityDiffers24 TB12 TB
RAID supportKnown for oneYes
RAID levelsKnown for one1, 5, 6, 10, JBOD
Storage drive sizeKnown for one2.5/3.5"
Supported file systemsKnown for oneFAT32, HFS+, NTFS, ext3, ext4
Processor3 differ
Processor manufacturerKnown for oneIntel
Processor familyDiffersIntel Atom®Intel® Celeron®
Processor modelKnown for oneD2550
Processor frequencyDiffers1.86 GHz2 GHz
Processor coresDiffers24
Processor threadsKnown for one4
Processor cacheKnown for one1 MB
L2 cacheKnown for one1 MB
Bus typeKnown for oneDMI
ECC supported by processorKnown for oneNo
Physical Address Extension (PAE)Known for one36 bit
Processor cache typeKnown for oneL2
Processor codeKnown for oneSR0VY
Processor codenameKnown for oneCedarview
Processor lithographyKnown for one32 nm
Processor operating modesKnown for one64-bit
Processor package sizeKnown for one22 X 22 mm
Processor socketKnown for oneBGA 559
SteppingKnown for oneB3
Thermal Design Power (TDP)Known for one10 W
TjunctionKnown for one100 C
Maximum internal memory supported by processorKnown for one4 GB
Memory bandwidth supported by processor (max)Known for one6.4 GB/s
Conflict-Free processorKnown for oneNo
Memory1 differ
Internal memory typeDiffersDDR3DDR3L
Flash memoryKnown for one512 MB
Networkidentical
Data link protocolsKnown for oneSMB/CIFS, AFP, FTP/FTPS, SFTP, HTTP/HTTPS, NFS
Supported network protocolsKnown for oneTCP/IP, CIFS/SMB, DFS, AFP, HTTP/HTTPS, FTP/SFTP, NFS, LDAP, NTP, SNMP, RTSP, BitTorrent
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Ports & interfacesidentical
Serial ports quantityKnown for one1
HDMI ports quantityKnown for one1
Graphicsidentical
On-board graphics card base frequencyKnown for one640 MHz
Number of displays supported (on-board graphics)Known for one2
Design1 differ
Cooling typeDiffersActivePassive
Chassis typeKnown for oneCompact
LED indicatorsKnown for oneLAN, Status
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Performanceidentical
Backup functionKnown for oneYes
Management protocolsKnown for oneHTTP, HTTPS
Built-in BitTorrent clientKnown for oneYes
BuzzerKnown for oneYes
Multilingual supportKnown for oneYes
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
Reset buttonKnown for oneYes
Software2 differ
Operating system installedKnown for oneLinux
Mac operating systems supportedDiffersMac 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 10.2 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 10.9 Mavericks
Server operating systems supportedDiffersWindows 2000 Server, Windows 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 x64Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Linux operating systems supportedKnown for oneYes
Power1 differ
Power supply locationDiffersBuilt-inExternal
Number of power supply unitsKnown for one1
Power consumption (max)Known for one86 W
AC input frequencyKnown for one50 - 60 Hz
Power supply unit (PSU) capacityKnown for one60 W
Power consumption (sleep)Known for one0.6 W
Weight & dimensions4 differ
WidthDiffers170 mm302 mm
DepthDiffers231 mm220 mm
HeightDiffers216 mm41.3 mm
WeightDiffers8 kg1.56 kg
Package weightKnown for one2.62 kg
Processor special featuresidentical
Embedded options availableKnown for oneYes
Enhanced Intel SpeedStep TechnologyKnown for oneNo
Intel 64Known for oneYes
Intel Dual Display Capable TechnologyKnown for oneYes
Intel Virtualization Technology (VT-x)Known for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Turbo Boost TechnologyKnown for oneNo
Maximum number of PCI Express lanesKnown for one4
Physical Address Extension (PAE)Known for oneYes
Memory channels supported by processorKnown for oneSingle
Memory types supported by processorKnown for oneDDR3-SDRAM
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 35 °C0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 80%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Power managementKnown for oneYes
Processor ARK IDKnown for one65470
Packaging contentidentical
External power adapterKnown for oneYes
Cables includedKnown for oneAC, LAN (RJ-45)
Quick installation guideKnown for oneYes
Number of screwsKnown for one14
Package typeKnown for oneBox

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