Product comparison · 2 internal hard drives

Seagate 3TB SAS vs Seagate 4TB SATAIII

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  • 21specifications compared
  • 4differ
  • 17identical
  • 3known for one product only

Key differences

  • HDD capacity
    • 3TB SAS:3 TB
    • 4TB SATAIII:4 TB
  • Interface
    • 3TB SAS:SAS
    • 4TB SATAIII:Serial ATA III
  • Power consumption (typical)
    • 3TB SAS:10.5 W
    • 4TB SATAIII:9 W
  • Power consumption (idle)
    • 3TB SAS:6.7 W
    • 4TB SATAIII:5 W

Side by side

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Comparison of 3TB SAS, 4TB SATAIII
24 specifications
Features2 differ
HDD capacityDiffers3 TB4 TB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersSASSerial ATA III
TypeHDDHDD
Storage drive buffer size128 MB128 MB
HDD interface transfer rateKnown for oneUnknown — not stated by the source6 Gbit/s
Average latency4.16 ms4.16 ms
Bytes per sector512512
Mean time between failures (MTBF)2000000 h2000000 h
HDD sustained transfer rateKnown for one215 MiB/sUnknown — not stated by the source
Power2 differ
Power consumption (typical)Differs10.5 W9 W
Power consumption (idle)Differs6.7 W5 W
Operating voltage5 / 12 V5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)5 - 60 °C5 - 60 °C
Non-operating vibration5 G5 G
Operating shock70 G70 G
Non-operating shock250 G250 G
Packaging contentidentical
Storage drive adapter includedNoNo
Weight & dimensionsidentical
Width101.8 mm101.8 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
WeightKnown for oneUnknown — not stated by the source655 g
Packaging dataidentical
Quantity per pack20 pc(s)20 pc(s)

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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