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Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk vs Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk

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  • 23specifications compared
  • 16differ
  • 7identical
  • 7known for one product only

Key differences

The Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk has 60 GB more HDD capacity than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk (100 GB vs 40 GB). The Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk has 1" more HDD size than the Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk (3.5" vs 2.5"). The Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk has 6 MB more storage drive buffer size than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk (8 MB vs 2 MB). Interface: Serial ATA II on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk, Serial ATA on the Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk, 5 V on the Seagate Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulk.

  • HDD capacity
    • 40 GB
    • 100 GB
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Serial ATA
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Average latency
    • 4.16 ms
    • 4.2 ms
  • Power consumption (standby)
    • 1.30 W
    • 0.28 W
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Start-up current
    • 2.8 A
    • 1.1 A

Side by side

Differences highlightedShow differences only
30 specifications
A

Seagate

Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulkView product
B

Seagate

Momentus 7200.1 100GB Serial ATA 7200RPM 8MB 25pk bulkView product
Features5 differ
HDD capacityDiffers40 GB100 GB
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IISerial ATA
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers2 MB8 MB
Average seek timeKnown for one10.5 ms
Average latencyDiffers4.16 ms4.2 ms
Bytes per sectorKnown for one512
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Power3 differ
Power consumption (standby)Differs1.30 W0.28 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentDiffers2.8 A1.1 A
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Operating shockDiffers63 G250 G
Non-operating shockDiffers350 G800 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers147 mm100.2 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers580 g115 g
Other features1 differ
Dimensions (WxDxH)Differs101.6 x 146.99 x 26.1 mm69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one150 MB/s
Data transfer rateKnown for one3 Gbit/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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