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Product comparison · 2 nas & storage servers

Seagate HS-251+ NAS Compact Intel® Celeron® vs Seagate NAS Pro

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  • 57specifications compared
  • 23differ
  • 34identical
  • 39known for one product only

Key differences

  • Total installed storage capacity
    • 2 TB
    • 4 TB
  • Supported storage drive types
    • HDD & SSD
    • HDD
  • Storage drive capacity
    • 1 TB
    • 2 TB
  • Processor frequency
    • 2 GHz
    • 1.7 GHz
  • Processor cores
    • 4
    • 2
  • Internal memory type
    • DDR3L
    • DDR3
  • Chassis type
    • Compact
    • Desktop
  • Cooling type
    • Passive
    • Active

Side by side

Differences highlightedShow differences only
96 specifications
A

Seagate

HS-251+ NAS Compact Intel® Celeron®

Model HS-251+

View product
B

Seagate

NAS ProView product
Storage5 differ
Storage drives installedYesYes
Total installed storage capacityDiffers2 TB4 TB
Number of storage drives installed22
Number of storage drives supported22
Installed storage drive typeHDDHDD
Supported storage drive typesDiffersHDD & SSDHDD
Storage drive capacityDiffers1 TB2 TB
Storage drive interfaceDiffersSerial ATA, Serial ATA II, Serial ATA IIISerial ATA II
Storage drive size2.5/3.5"2.5/3.5"
RAID supportYesYes
RAID levels0, 1, JBOD0, 1, JBOD
Hot-swap drive baysYesYes
Supported file systemsDiffersFAT32, HFS+, NTFS, ext3, ext4FAT32, HFS+, NTFS, ext2, ext3, ext4
Processor2 differ
Processor frequencyDiffers2 GHz1.7 GHz
Processor coresDiffers42
Processor operating modesKnown for one64-bit
Processor familyKnown for oneIntel® Celeron®
Memory1 differ
Internal memory2 GB2 GB
Internal memory typeDiffersDDR3LDDR3
Flash memoryKnown for one512 MB
Network1 differ
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Copper ethernet cabling technologyKnown for one10BASE-T, 100BASE-TX, 1000BASE-T
Wi-FiNoNo
Jumbo frames supportKnown for oneYes
iSCSI supportYesYes
Wake-on-LAN readyYesYes
Dynamic DNS (DDNS)Known for oneYes
Link aggregationKnown for oneYes
Supported network protocolsDiffersCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSCIPv4, IPv6, CIFS/SMB, NFS v3, AFP, HTTP(S) FTP / sFTP SSH SNMP, SMTP, NTP, UPnP, Bonjour, WebDAV, DFS-N
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
USB portYesYes
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
Design3 differ
Chassis typeDiffersCompactDesktop
Cooling typeDiffersPassiveActive
Product colourBlackBlack
LED indicatorsDiffersLAN, StatusHDD, Power
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performance1 differ
TypeNASNAS
Backup functionYesYes
Backup featuresDiffersCloud, iSCSI LUNCloud, USB drive, iSCSI LUN
Multilingual supportYesYes
Web-based managementKnown for oneYes
Browser supportedKnown for oneInternet Explorer, Firefox, Safari, Google Chrome
Built-in UPnP AV media serverKnown for oneYes
Built-in iTunes serverYesYes
On/off switchYesYes
Password authenticationKnown for oneYes
Remotely operatedKnown for oneYes
Reset buttonYesYes
S.M.A.R.T. supportYesYes
Security algorithmsKnown for one256-bit AES, HTTPS, SSH
System logKnown for oneYes
Device classKnown for oneHome & Home Office
BuzzerKnown for oneYes
Built-in FTP serverKnown for oneYes
Software5 differ
Operating system installedDiffersQNAP Turbo SystemSeagate NAS OS
Operating system versionDiffers4.24
Windows operating systems supportedDiffersWindows 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, WinWindows 7, Windows 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, Win
Linux operating systems supportedYesYes
Mac compatibilityKnown for oneYes
Mac operating systems supportedDiffersMac 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 MavericksMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, 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 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2008 R2, Windows Server 2012
Other operating systems supportedKnown for oneAndroid, iOS
Power1 differ
Power supply locationExternalExternal
Power supply unit (PSU) capacity60 W60 W
Number of power supply unitsKnown for one1
Power consumption (typical)Known for one44 W
AC input voltageKnown for one100-240 V
AC input frequencyDiffers100-240 Hz50 - 60 Hz
Power consumption (sleep)Known for one0.6 W
Weight & dimensions3 differ
WidthDiffers302 mm120 mm
DepthDiffers220 mm218 mm
HeightDiffers41.3 mm170 mm
WeightKnown for one3.5 kg
Package widthKnown for one316 mm
Package depthKnown for one230 mm
Package heightKnown for one270 mm
Package weightKnown for one4.24 kg
Packaging contentidentical
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick start guideKnown for oneYes
External power adapterKnown for oneYes
Quick installation guideKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Differs5 - 95%0 - 80%
Storage relative humidity (H-H)Known for one0 - 95%
Storage temperature (T-T)Known for one-40 - 65 °C
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes

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