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Product comparison · 2 nas & storage servers

QNAP TS-421U + 4x 1TBWDRED vs QNAP TS-670 + 6x 1TBWDRED

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  • 63specifications compared
  • 19differ
  • 44identical
  • 11known for one product only

Key differences

  • Total installed storage capacity
    • 4 TB
    • 6 TB
  • Number of storage drives installed
    • 4
    • 6
  • Number of storage drives supported
    • 4
    • 6
  • Supported storage drive types
    • HDD
    • HDD & SSD
  • Processor frequency
    • 2 GHz
    • 2.6 GHz
  • Internal memory
    • 1 GB
    • 2 GB
  • Flash memory
    • 16 MB
    • 512 MB
  • Ethernet LAN (RJ-45) ports
    • 2
    • 4

Side by side

Differences highlightedShow differences only
74 specifications
A

QNAP

TS-421U + 4x 1TBWDREDView product
B

QNAP

TS-670 + 6x 1TBWDREDView product
Storage5 differ
Total installed storage capacityDiffers4 TB6 TB
Number of storage drives installedDiffers46
Number of storage drives supportedDiffers46
Supported storage drive typesDiffersHDDHDD & SSD
Storage drive interfaceDiffersSerial ATA, Serial ATA IISerial ATA II, Serial ATA III
Processor1 differ
Processor frequencyDiffers2 GHz2.6 GHz
Processor coresKnown for one2
Processor familyKnown for oneMarvell
Memory2 differ
Internal memoryDiffers1 GB2 GB
Flash memoryDiffers16 MB512 MB
Internal memory typeKnown for oneDDR3
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers24
USB 2.0 ports quantityDiffers23
HDMI ports quantityKnown for one1
Design4 differ
Chassis typeDiffersRack (1U)Tower
Product colourDiffersBlackBlack, Metallic
Number of fansDiffers1 fan(s)2 fan(s)
Fan diameterDiffers4 cm9 cm
Drive bay lockingKnown for oneYes
Built-in displayKnown for oneYes
Display typeKnown for oneLCD
Performance1 differ
Security algorithmsDiffersHTTPS, SSH, SSL/TLSHTTPS, SSH
BuzzerKnown for oneYes
Number of usersKnown for one4096 user(s)
Softwareidentical
Operating system installedKnown for oneQNAP Turbo System
Poweridentical
Power consumption (off)Known for one1 W
Weight & dimensions3 differ
WidthDiffers439 mm257 mm
DepthDiffers483 mm235 mm
HeightDiffers44 mm175 mm
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 35 °C

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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