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Product comparison · 2 nas & storage servers

QNAP HS-251+ NAS/storage server Compact Intel® Celeron® vs QNAP TS-531P NAS Tower Annapurna Labs Alpine AL-314

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  • 33specifications compared
  • 19differ
  • 14identical
  • 40known for one product only

Key differences

  • Number of storage drives supported
    • 2
    • 5
  • Processor family
    • Intel® Celeron®
    • Annapurna Labs
  • Processor frequency
    • 2 GHz
    • 1.4 GHz
  • Internal memory
    • 2 GB
    • 8 GB
  • Internal memory type
    • DDR3L
    • DDR3
  • Ethernet LAN data rates
    • 10,100,1000 Mbit/s
    • 1000 Mbit/s
  • Ethernet LAN (RJ-45) ports
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 3

Side by side

Differences highlightedShow differences only
73 specifications
A

QNAP

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

Model HS-251+

View product
B

QNAP

TS-531P NAS Tower Annapurna Labs Alpine AL-314

Model TS-531P

View product
Storage2 differ
Storage drives installedKnown for oneNo
Total installed storage capacityKnown for one0 TB
Number of storage drives installedKnown for one0
Number of storage drives supportedDiffers25
Storage drive interfaceDiffersSerial ATA, Serial ATA II, Serial ATA IIISerial ATA II, Serial ATA III
Maximum supported storage capacityKnown for one12 TB
Supported file systemsKnown for oneFAT32, HFS+, NTFS, ext3, ext4
Processor2 differ
Processor familyDiffersIntel® Celeron®Annapurna Labs
Processor frequencyDiffers2 GHz1.4 GHz
Processor modelKnown for oneAlpine AL-314
Memory2 differ
Internal memoryDiffers2 GB8 GB
Internal memory typeDiffersDDR3LDDR3
Memory clock speedKnown for one1600 MHz
Maximum RAM supportedKnown for one8 GB
Memory slotsKnown for one2
Network1 differ
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s1000 Mbit/s
Wi-FiKnown for oneNo
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
iSCSI supportKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityKnown for one2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers23
Fiber ports quantityKnown for one0
HDMI ports quantityKnown for one1
Design4 differ
Chassis typeDiffersCompactTower
Cooling typeDiffersPassiveActive
Product colourDiffersBlackBlack, Metallic
LED indicatorsDiffersLAN, StatusHDD, Status, USB
Number of fansKnown for one1 fan(s)
Fan diameterKnown for one12 cm
Performanceidentical
Device classKnown for oneHome & Home Office
Multilingual supportKnown for oneYes
Built-in FTP serverKnown for oneYes
Built-in iTunes serverKnown for oneYes
On/off switchKnown for oneYes
Backup functionKnown 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 8, Win
Linux operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneMac 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 supportedKnown for oneWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Power2 differ
Power supply locationDiffersExternalBuilt-in
Power supply unit (PSU) capacityDiffers60 W250 W
Power consumption (sleep)Known for one0.6 W
Power consumption (max)Known for one29.31 W
AC input frequencyKnown for one50 - 60 Hz
Output currentKnown for one5 A
Weight & dimensions4 differ
WidthDiffers302 mm210.6 mm
DepthDiffers220 mm235.4 mm
HeightDiffers41.3 mm185 mm
WeightDiffers1.56 kg4.4 kg
Package weightKnown for one2.62 kg
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
Operational conditionsidentical
Operating relative humidity (H-H)Known for one5 - 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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