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Product comparison · 2 internal hard drives

Samsung 250GB Ultra-ATA/133 HDD vs Seagate 40GB 2.5" Ultra ATA/100

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  • 8specifications compared
  • 6differ
  • 2identical
  • 30known for one product only

Key differences

The Samsung 250GB Ultra-ATA/133 HDD has 210 GB more HDD capacity than the Seagate 40GB 2.5" Ultra ATA/100 (250 GB vs 40 GB). The Samsung 250GB Ultra-ATA/133 HDD has 1,800 RPM more HDD speed than the Seagate 40GB 2.5" Ultra ATA/100 (7200 RPM vs 5400 RPM). The Seagate 40GB 2.5" Ultra ATA/100 has 1.43 ms more average latency than the Samsung 250GB Ultra-ATA/133 HDD (5.6 ms vs 4.17 ms). Interface: Ultra-ATA/133 on the Samsung 250GB Ultra-ATA/133 HDD, Ultra-ATA/100 on the Seagate 40GB 2.5" Ultra ATA/100. Operating temperature (T-T): 0 - 60 °C on the Samsung 250GB Ultra-ATA/133 HDD, 5 - 55 °C on the Seagate 40GB 2.5" Ultra ATA/100.

  • HDD capacity
    • 250 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Ultra-ATA/133
    • Ultra-ATA/100
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Power consumption (standby)
    • 0.5 W
    • 0.26 W
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C

Side by side

Differences highlightedShow differences only
38 specifications
A

Samsung

250GB Ultra-ATA/133 HDDView product
B

Seagate

40GB 2.5" Ultra ATA/100View product
Features4 differ
HDD capacityDiffers250 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersUltra-ATA/133Ultra-ATA/100
TypeKnown for oneHDD
Component forKnown for oneLaptop
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one2
Access timeKnown for one12.5 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sectorKnown for one512
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeKnown for one8.9 ms
Mean time between failures (MTBF)Known for one500000 h
Power1 differ
Power consumption (standby)Differs0.5 W0.26 W
Power consumption (idle)Known for one0.8 W
Power consumption (read)Known for one1.8 W
Power consumption (write)Known for one1.8 W
Operating voltageKnown for one5 V
Start-up currentKnown for one1 A
Power consumption (typical)Known for one9 W
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one12000
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Weight & dimensionsidentical
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightKnown for one100 g
Other featuresidentical
Power requirementsKnown for one+5V / +12V
Drive device, transfer rateKnown for one133 MB/s
Drive ready timeKnown for one7 s
InternalKnown for oneYes

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