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Product comparison · 2 internal hard drives

Samsung 300GB HDD vs Seagate 40GB 2.5" Ultra ATA/100

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  • 17specifications compared
  • 12differ
  • 5identical
  • 23known for one product only

Key differences

The Samsung 300GB HDD has 260 GB more HDD capacity than the Seagate 40GB 2.5" Ultra ATA/100 (300 GB vs 40 GB). The Samsung 300GB HDD has 1,800 RPM more HDD speed than the Seagate 40GB 2.5" Ultra ATA/100 (7200 RPM vs 5400 RPM). The Samsung 300GB HDD has 1" more HDD size than the Seagate 40GB 2.5" Ultra ATA/100 (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Samsung 300GB HDD, 5 V on the Seagate 40GB 2.5" Ultra ATA/100. Operating temperature (T-T): 0 - 60 °C on the Samsung 300GB HDD, 5 - 55 °C on the Seagate 40GB 2.5" Ultra ATA/100.

  • HDD capacity
    • 300 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Power consumption (standby)
    • 0.7 W
    • 0.26 W
  • Power consumption (idle)
    • 8 W
    • 0.8 W
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C

Side by side

Differences highlightedShow differences only
40 specifications
A

Samsung

300GB HDDView product
B

Seagate

40GB 2.5" Ultra ATA/100View product
Features4 differ
HDD capacityDiffers300 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceUltra-ATA/100Ultra-ATA/100
TypeHDDHDD
Storage drive buffer size8 MB8 MB
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Known for one600000 h
Component forKnown for oneLaptop
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one2
Access timeKnown for one12.5 ms
Power3 differ
Power consumption (typical)Known for one8.4 W
Power consumption (standby)Differs0.7 W0.26 W
Power consumption (PowerSave)Known for one0.45 W
Power consumption (idle)Differs8 W0.8 W
Operating voltageDiffers5 / 12 V5 V
Power consumption (read)Known for one1.8 W
Power consumption (write)Known for one1.8 W
Start-up currentKnown for one1 A
Operational conditions1 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)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one2 G
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockKnown for one63 G
Non-operating shockKnown for one300 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers146.1 mm100.2 mm
HeightDiffers25.4 mm9.5 mm
WeightDiffers653 g100 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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