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Product comparison · 2 internal hard drives

Samsung 200GB Ultra ATA Hard Drive vs Seagate 40GB HD

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  • 18specifications compared
  • 16differ
  • 2identical
  • 20known for one product only

Key differences

The Samsung 200GB Ultra ATA Hard Drive has 160 GB more HDD capacity than the Seagate 40GB HD (200 GB vs 40 GB). The Samsung 200GB Ultra ATA Hard Drive has 3,000 RPM more HDD speed than the Seagate 40GB HD (7200 RPM vs 4200 RPM). The Samsung 200GB Ultra ATA Hard Drive has 1" more HDD size than the Seagate 40GB HD (3.5" vs 2.5"). Interface: Ultra-ATA/133 on the Samsung 200GB Ultra ATA Hard Drive, Ultra-ATA/100 on the Seagate 40GB HD. Operating voltage: 5 / 12 V on the Samsung 200GB Ultra ATA Hard Drive, 5 V on the Seagate 40GB HD.

  • HDD capacity
    • 200 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 4200 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Ultra-ATA/133
    • Ultra-ATA/100
  • Storage drive buffer size
    • 8 MB
    • 2 MB
  • HDD number of heads
    • 4
    • 2
  • Average seek time
    • 8.9 ms
    • 12 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms

Side by side

Differences highlightedShow differences only
38 specifications
A

Samsung

200GB Ultra ATA Hard DriveView product
B

Seagate

40GB HDView product
Features8 differ
HDD capacityDiffers200 GB40 GB
HDD speedDiffers7200 RPM4200 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra-ATA/133Ultra-ATA/100
Storage drive buffer sizeDiffers8 MB2 MB
HDD number of headsDiffers42
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeDiffers8.9 ms12 ms
Average latencyDiffers4.17 ms5.6 ms
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Known for one500000 h
TypeKnown for oneHDD
Component forKnown for oneLaptop
Power1 differ
Operating voltageDiffers5 / 12 V5 V
Power consumption (typical)Known for one2.4 W
Power consumption (standby)Known for one0.36 W
Power consumption (idle)Known for one0.97 W
Power consumption (read)Known for one2.4 W
Power consumption (write)Known for one2.4 W
Start-up currentKnown for one1.2 A
Operational conditions3 differ
Storage temperature (T-T)Differs-40 - 70 °C-40 - 65 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating altitudeKnown for one-305 - 3050 m
Non-operating altitudeKnown for one-305 - 12200 m
Operating shockDiffers63 G225 G
Non-operating shockDiffers350 G800 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers146.1 mm100.2 mm
HeightDiffers25.4 mm9.5 mm
WeightDiffers635 g99 g
Other featuresidentical
Power requirementsKnown for one+5V° 5% / +12V° 10%
Drive device, transfer rateKnown for one133 MB/s
Drive ready timeKnown for one7 s
InternalKnown for oneYes

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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