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Product comparison · 2 internal hard drives

Samsung 80GB Ultra-ATA/100 HDD vs Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk

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  • 13specifications compared
  • 11differ
  • 2identical
  • 25known for one product only

Key differences

The Samsung 80GB Ultra-ATA/100 HDD has 40 GB more HDD capacity than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk (80 GB vs 40 GB). The Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk has 1,800 RPM more HDD speed than the Samsung 80GB Ultra-ATA/100 HDD (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk has 1" more HDD size than the Samsung 80GB Ultra-ATA/100 HDD (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Samsung 80GB Ultra-ATA/100 HDD, Serial ATA II on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk. Operating voltage: 5 V on the Samsung 80GB Ultra-ATA/100 HDD, 5 / 12 V on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk.

  • HDD capacity
    • 80 GB
    • 40 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Ultra-ATA/100
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 2 MB
  • Average latency
    • 5.6 ms
    • 4.16 ms
  • Power consumption (standby)
    • 0.1 W
    • 1.30 W
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
38 specifications
A

Samsung

80GB Ultra-ATA/100 HDDView product
B

Seagate

Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulkView product
Features6 differ
HDD capacityDiffers80 GB40 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100Serial ATA II
Storage drive buffer sizeDiffers8 MB2 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Average latencyDiffers5.6 ms4.16 ms
Full stroke seek timeKnown for one22 ms
Track to track seek timeKnown for one2 ms
Average seek timeKnown for one12 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Known for one330000 h
Power2 differ
Power consumption (standby)Differs0.1 W1.30 W
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one2.8 A
Power consumption (typical)Known for one4.5 W
Power consumption (PowerSave)Known for one0.25 W
Operational conditions3 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating shockDiffers300 G63 G
Non-operating shockDiffers1000 G350 G
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one12000
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one580 g
Other featuresidentical
Dimensions (WxDxH)Known for one101.6 x 146.99 x 26.1 mm
Data transfer rateKnown for one3 Gbit/s
External power adapterKnown for oneNo
InternalYesYes
Mac compatibilityKnown for oneNo
USB poweredKnown for oneNo
Compatible productsKnown for onePCs
Power requirementsKnown for one+5V
Drive ready timeKnown for one4 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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