Product comparison · 2 internal hard drives

Seagate 146GB 2.5" SAS vs Seagate 300GB 2.5" SAS

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  • 25specifications compared
  • 3differ
  • 22identical
  • 1known for one product only

Key differences

The Seagate 300GB 2.5" SAS has 154 GB more HDD capacity than the Seagate 146GB 2.5" SAS (300 GB vs 146 GB). The Seagate 300GB 2.5" SAS has 2 more HDD heads than the Seagate 146GB 2.5" SAS (4 vs 2). The Seagate 300GB 2.5" SAS has 0.3 W more power consumption (idle) than the Seagate 146GB 2.5" SAS (3.5 W vs 3.2 W).

  • HDD capacity
    • 146GB 2.5" SAS:146 GB
    • 300GB 2.5" SAS:300 GB
  • HDD number of heads
    • 146GB 2.5" SAS:2
    • 300GB 2.5" SAS:4
  • Power consumption (idle)
    • 146GB 2.5" SAS:3.2 W
    • 300GB 2.5" SAS:3.5 W

Side by side

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Comparison of 146GB 2.5" SAS, 300GB 2.5" SAS
26 specifications
Features2 differ
HDD capacityDiffers146 GB300 GB
HDD speed10000 RPM10000 RPM
HDD size2.5"2.5"
InterfaceSASSAS
TypeHDDHDD
Component forServer/workstationServer/workstation
Storage drive buffer size16 MB16 MB
HDD number of headsDiffers24
Read seek time3.6 ms3.6 ms
Write seek time4.2 ms4.2 ms
Average latency3 ms3 ms
Bytes per sector512512
Mean time between failures (MTBF)1600000 h1600000 h
Power1 differ
Power consumption (idle)Differs3.2 W3.5 W
Operating voltage5 V5 V
Start-up currentKnown for one2.00 AUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating vibration0.5 G0.5 G
Non-operating vibration2.4 G2.4 G
Operating shock60 G60 G
Non-operating shock300 G300 G
Weight & dimensionsidentical
Width70 mm70 mm
Depth100.5 mm100.5 mm
Height14.8 mm14.8 mm
Weight227 g227 g

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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