All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 nas & storage servers

QNAP HS-251+ NAS/storage server Compact Intel® Celeron® vs QNAP IS-453S NAS Desktop Intel Atom®

Add a product
  • 53specifications compared
  • 16differ
  • 37identical
  • 30known for one product only

Key differences

  • Number of storage drives supported
    • 2
    • 4
  • Processor family
    • Intel® Celeron®
    • Intel Atom®
  • Processor frequency
    • 2 GHz
    • 1.91 GHz
  • Chassis type
    • Compact
    • Desktop
  • LED indicators
    • LAN, Status
    • HDD, LAN, Status, USB
  • Power supply unit (PSU) capacity
    • 60 W
    • 90 W
  • Power consumption (sleep)
    • 0.6 W
    • 0.82 W
  • Width
    • 302 mm
    • 180 mm

Side by side

Differences highlightedShow differences only
83 specifications
A

QNAP

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

Model HS-251+

View product
B

QNAP

IS-453S NAS Desktop Intel Atom®

Model IS-453S

View product
Storage2 differ
Storage drives installedNoNo
Number of storage drives installed00
Number of storage drives supportedDiffers24
Installed storage drive typeNoNo
Supported storage drive typesHDD & SSDHDD & SSD
Storage drive interfaceDiffersSerial ATA, Serial ATA II, Serial ATA IIISerial ATA
Storage drive size2.5/3.5"2.5/3.5"
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 5+HS, 5, 6, 10
Total installed storage capacityKnown for one0 TB
Maximum supported storage capacityKnown for one12 TB
Hot-swap drive baysKnown for oneYes
Supported file systemsKnown for oneFAT32, HFS+, NTFS, ext3, ext4
Processor2 differ
Processor familyDiffersIntel® Celeron®Intel Atom®
Processor frequencyDiffers2 GHz1.91 GHz
Processor cores44
Memoryidentical
Internal memory2 GB2 GB
Internal memory typeDDR3LDDR3L
Memory clock speedKnown for one1333 MHz
Memory slotsKnown for one2
Flash memory512 MB512 MB
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
DHCP clientYesYes
DHCP serverYesYes
iSCSI supportKnown for oneYes
Wake-on-LAN readyKnown for oneYes
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports22
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Fiber ports quantity00
HDMI ports quantity11
Design2 differ
Chassis typeDiffersCompactDesktop
Cooling typePassivePassive
Product colourBlackBlack
LED indicatorsDiffersLAN, StatusHDD, LAN, Status, USB
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Performanceidentical
TypeNASNAS
Backup functionKnown for oneYes
Backup featuresKnown for oneiSCSI LUN
BuzzerYesYes
Multilingual supportYesYes
Management protocolsKnown for oneCIFS, AFP, FTP, WebDAV
Share folder access right managementKnown for oneYes
Web-based managementKnown for oneYes
Access Control List (ACL)Known for oneYes
Browser supportedKnown for oneMicrosoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome
Built-in FTP serverYesYes
Built-in UPnP AV media serverKnown for oneYes
Built-in iTunes serverYesYes
Hot spareKnown for oneYes
On/off switchYesYes
Password authenticationKnown for oneYes
Reset buttonYesYes
S.M.A.R.T. supportKnown for oneYes
Security algorithmsKnown for one256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS
Device classKnown for oneHome & Home Office
Software2 differ
Operating system installedKnown for oneQNAP Turbo System
Windows operating systems supportedWindows 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 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 supportedYesYes
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 MavericksYes
Server operating systems supportedDiffersWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 R2 x64
Power2 differ
Power supply locationExternalExternal
Power supply unit (PSU) capacityDiffers60 W90 W
Number of power supply unitsKnown for one1
Power consumption (typical)Known for one10.04 W
Power consumption (sleep)Differs0.6 W0.82 W
AC input voltage100-240 V100-240 V
Fan voltageKnown for one12 V
Weight & dimensions4 differ
WidthDiffers302 mm180 mm
DepthDiffers220 mm247 mm
HeightDiffers41.3 mm59 mm
WeightDiffers1.56 kg1.11 kg
Package weightKnown for one2.62 kg
Packaging content1 differ
External power adapterYesYes
Cables includedAC, LAN (RJ-45)AC, LAN (RJ-45)
Quick installation guideYesYes
Number of screwsDiffers1412
Package typeKnown for oneBox
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C-40 - 50 °C
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.

More nas & storage servers comparisons

All nas & storage servers comparisons