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Product comparison · 2 internal hard drives

Seagate 40GB HDD vs Seagate 9.1GB HDD

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  • 22specifications compared
  • 15differ
  • 7identical
  • 15known for one product only

Key differences

The Seagate 40GB HDD has 30.9 GB more HDD capacity than the Seagate 9.1GB HDD (40 GB vs 9.1 GB). The Seagate 9.1GB HDD has 2,800 RPM more HDD speed than the Seagate 40GB HDD (10000 RPM vs 7200 RPM). The Seagate 9.1GB HDD has 2 MB more storage drive buffer size than the Seagate 40GB HDD (4 MB vs 2 MB). Interface: Ultra-ATA/100 on the Seagate 40GB HDD, Ultra160 SCSI on the Seagate 9.1GB HDD. Operating temperature (T-T): 0 - 60 °C on the Seagate 40GB HDD, 5 - 55 °C on the Seagate 9.1GB HDD.

  • HDD capacity
    • 40 GB
    • 9.1 GB
  • HDD speed
    • 7200 RPM
    • 10000 RPM
  • Interface
    • Ultra-ATA/100
    • Ultra160 SCSI
  • Storage drive buffer size
    • 2 MB
    • 4 MB
  • Average latency
    • 4.16 ms
    • 2.99 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating relative humidity (H-H)
    • 5 - 90%
    • 5 - 95%
  • Operating altitude
    • -198.12 - 3048 m
    • -304.8 - 3048 m

Side by side

Differences highlightedShow differences only
37 specifications
A

Seagate

40GB HDDView product
B

Seagate

9.1GB HDDView product
Features5 differ
HDD capacityDiffers40 GB9.1 GB
HDD speedDiffers7200 RPM10000 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/100Ultra160 SCSI
TypeHDDHDD
Storage drive buffer sizeDiffers2 MB4 MB
HDD number of heads22
Read seek timeKnown for one9 ms
Write seek timeKnown for one10 ms
Track to track seek timeKnown for one1.2 ms
Average seek timeKnown for one9 ms
Average latencyDiffers4.16 ms2.99 ms
Bytes per sector512512
Component forKnown for oneServer/workstation
SMART technologyKnown for oneYes
Poweridentical
Power consumption (typical)Known for one13 W
Power consumption (standby)Known for one0.75 W
Power consumption (idle)Known for one9.5 W
Power consumption (read)Known for one12 W
Power consumption (write)Known for one12 W
Operating voltage5 / 12 V5 / 12 V
Start-up currentKnown for one2.8 A
Operational conditions6 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Differs5 - 90%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating vibrationKnown for one0.5 G
Non-operating vibrationKnown for one5 G
Operating altitudeDiffers-198.12 - 3048 m-304.8 - 3048 m
Non-operating altitudeDiffers-198.12 - 12192 m-304.8 - 12192 m
Operating shockDiffers63 G15 G
Non-operating shockDiffers350 G250 G
Weight & dimensions4 differ
WidthDiffers101.8 mm101.6 mm
DepthDiffers147 mm146.1 mm
HeightDiffers26.1 mm25.4 mm
WeightDiffers635 g680 g
Other featuresidentical
Drive ready timeKnown for one10 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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