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Product comparison · 2 nas & storage servers

QNAP TS-451U NAS Rack (1U) Intel® Celeron® vs QNAP TS-853U NAS Rack (2U) Intel® Celeron®

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  • 70specifications compared
  • 18differ
  • 52identical
  • 10known for one product only

Key differences

  • Number of storage drives supported
    • 4
    • 8
  • Processor frequency
    • 2.41 GHz
    • 2 GHz
  • Processor cores
    • 2
    • 4
  • Internal memory
    • 1 GB
    • 4 GB
  • Ethernet LAN (RJ-45) ports
    • 2
    • 4
  • USB 2.0 ports quantity
    • 1
    • 0
  • Chassis type
    • Rack (1U)
    • Rack (2U)
  • Product colour
    • Black, Grey
    • Black

Side by side

Differences highlightedShow differences only
80 specifications
A

QNAP

TS-451U NAS Rack (1U) Intel® Celeron®

Model TS-451U

View product
B

QNAP

TS-853U NAS Rack (2U) Intel® Celeron®

Model TS-853U

View product
Storage3 differ
Number of storage drives supportedDiffers48
Installed storage drive typeKnown for oneNo
RAID levelsDiffers0, 1, 5+S, 5, 6, 100, 10+S, 5+S, 1, 6, 5, 6+S, 10
Supported file systemsDiffersFAT32, HFS+, NTFS, ext3, ext4ext3, ext4, FAT32, HFS+, NTFS
Processor2 differ
Processor frequencyDiffers2.41 GHz2 GHz
Processor coresDiffers24
Memory1 differ
Internal memoryDiffers1 GB4 GB
Networkidentical
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityDiffers10
Design3 differ
Chassis typeDiffersRack (1U)Rack (2U)
Product colourDiffersBlack, GreyBlack
Housing materialKnown for oneMetal
Fan diameterDiffers4 cm7 cm
Performance2 differ
Device classDiffersHome & Home OfficeSmall & Medium Business
On/off switchKnown for oneYes
Security algorithmsDiffers256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS128-bit AES, 256-bit AES, FIPS 140-2, HTTPS, MSCHAPv2, SSH, SSL/TLS
Power1 differ
Number of power supply unitsKnown for one1
Redundant power supply (RPS) supportDiffersYesNo
Weight & dimensions4 differ
WidthDiffers439 mm482 mm
DepthDiffers499 mm534 mm
HeightDiffers44 mm89 mm
WeightKnown for one11 kg
Package weightDiffers11.6 kg19.3 kg
Other featuresidentical
Power managementKnown for oneYes
Packaging contentidentical
External power adapterKnown for oneNo
Cables includedKnown for oneLAN (RJ-45)
Quick installation guideKnown 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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