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Product comparison · 2 nas & storage servers

QNAP TS-231P2-4G/16TB-REDPRO 2 Bay NAS vs Seagate HS-251+ NAS Compact Intel® Celeron®

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  • 47specifications compared
  • 14differ
  • 33identical
  • 41known for one product only

Key differences

  • Processor frequency
    • 1.7 GHz
    • 2 GHz
  • Internal memory type
    • DDR3
    • DDR3L
  • USB 2.0 ports quantity
    • 0
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 3
    • 2
  • Chassis type
    • Tower
    • Compact
  • Cooling type
    • Active
    • Passive
  • Product colour
    • White
    • Black
  • LED indicators
    • Yes
    • LAN, Status

Side by side

Differences highlightedShow differences only
88 specifications
A

QNAP

TS-231P2-4G/16TB-REDPRO 2 Bay NASView product
B

Seagate

HS-251+ NAS Compact Intel® Celeron®

Model HS-251+

View product
Storageidentical
Storage drives installedYesYes
Total installed storage capacityKnown for one2 TB
Number of storage drives installedKnown for one2
Number of storage drives supported22
Installed storage drive typeHDDHDD
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive capacityKnown for one1 TB
Storage drive interfaceKnown for oneSerial ATA, Serial ATA II, Serial ATA III
Storage drive sizeKnown for one2.5/3.5"
RAID supportYesYes
RAID levels0, 1, JBOD0, 1, JBOD
Hot-swap drive baysYesYes
Supported file systemsFAT32, HFS+, NTFS, ext3, ext4FAT32, HFS+, NTFS, ext3, ext4
Supported storage drive interfacesKnown for oneSerial ATA II, Serial ATA III
Storage drive sizes supportedKnown for one2.5,3.5"
Processor1 differ
Processor familyKnown for oneIntel® Celeron®
Processor frequencyDiffers1.7 GHz2 GHz
Processor coresKnown for one4
Memory1 differ
Internal memoryKnown for one2 GB
Internal memory typeDiffersDDR3DDR3L
Flash memory512 MB512 MB
Maximum RAM supportedKnown for one8 GB
Memory form factorKnown for oneSO-DIMM
Memory slotsKnown for one1
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Supported network protocolsKnown for oneCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
Jumbo frames supportKnown for oneYes
Dynamic IPKnown for oneYes
Link aggregationKnown for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports22
USB portYesYes
USB 2.0 ports quantityDiffers02
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
Fiber ports quantity00
HDMI ports quantityKnown for one1
Design4 differ
Chassis typeDiffersTowerCompact
Cooling typeDiffersActivePassive
Product colourDiffersWhiteBlack
LED indicatorsDiffersYesLAN, Status
Cable lock slotYesYes
Cable lock slot typeKnown for oneKensington
Number of fansKnown for one1 fan(s)
Fan diameterKnown for one7 cm
Built-in displayKnown for oneNo
Performanceidentical
TypeNASNAS
Device classHome & Home OfficeHome & Home Office
Backup functionYesYes
Backup featuresCloud, iSCSI LUNCloud, iSCSI LUN
BuzzerYesYes
Multilingual supportKnown for oneYes
Built-in FTP serverYesYes
Built-in iTunes serverYesYes
On/off switchYesYes
Reset buttonKnown for oneYes
S.M.A.R.T. supportKnown for oneYes
Noise levelKnown for one19.2 dB
Browser supportedKnown for oneChrome, Firefox
Built-in UPnP AV media serverKnown for oneYes
Disk scanKnown for oneYes
Software1 differ
Operating system installedKnown for oneQNAP Turbo System
Operating system versionDiffers4.34.2
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 locationExternalExternal
Power supply unit (PSU) capacityDiffers65 W60 W
Power consumption (sleep)Known for one0.6 W
AC input frequencyDiffers50 - 60 Hz100-240 Hz
Number of power supply unitsKnown for one1
AC input voltageKnown for one100-240 V
Weight & dimensions3 differ
WidthDiffers169 mm302 mm
DepthDiffers102 mm220 mm
HeightDiffers219 mm41.3 mm
WeightKnown for one1.28 kg
Packaging contentidentical
External power adapterYesYes
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideKnown for oneYes
Quick start guideKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown 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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