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Product comparison · 2 internal hard drives

Samsung 250GB HDD vs Samsung 30GB Ultra ATA Hard Drive

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  • 25specifications compared
  • 18differ
  • 7identical
  • 11known for one product only

Key differences

The Samsung 250GB HDD has 220 GB more HDD capacity than the Samsung 30GB Ultra ATA Hard Drive (250 GB vs 30 GB). The Samsung 250GB HDD has 1,800 RPM more HDD speed than the Samsung 30GB Ultra ATA Hard Drive (7200 RPM vs 5400 RPM). The Samsung 250GB HDD has 1" more HDD size than the Samsung 30GB Ultra ATA Hard Drive (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Samsung 250GB HDD, 5 V on the Samsung 30GB Ultra ATA Hard Drive. Operating temperature (T-T): 0 - 60 °C on the Samsung 250GB HDD, 5 - 55 °C on the Samsung 30GB Ultra ATA Hard Drive.

  • HDD capacity
    • 250 GB
    • 30 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Full stroke seek time
    • 18 ms
    • 22 ms
  • Track to track seek time
    • 0.8 ms
    • 2 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Start/stop cycles
    • 50000
    • 300000
  • Mean time between failures (MTBF)
    • 500000 h
    • 330000 h

Side by side

Differences highlightedShow differences only
36 specifications
A

Samsung

250GB HDDView product
B

Samsung

30GB Ultra ATA Hard DriveView product
Features8 differ
HDD capacityDiffers250 GB30 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceUltra-ATA/133Ultra-ATA/133
TypeKnown for oneHDD
Storage drive buffer size8 MB8 MB
Full stroke seek timeDiffers18 ms22 ms
Track to track seek timeDiffers0.8 ms2 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sector512512
Start/stop cyclesDiffers50000300000
Mean time between failures (MTBF)Differs500000 h330000 h
Access timeKnown for one12 ms
Power1 differ
Power consumption (typical)Known for one9 W
Power consumption (idle)Known for one7 W
Operating voltageDiffers5 / 12 V5 V
Power consumption (standby)Known for one0.25 W
Operational conditions4 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)5 - 90%5 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating vibrationKnown for one1.5 G
Non-operating vibrationKnown for one8 G
Operating altitudeDiffers-304.8 - 3048 m-305 - 3050 m
Non-operating altitudeDiffers-304.8 - 12192 m-305 - 12200 m
Operating shockDiffers63 G250 G
Non-operating shock350 G350 G
Weight & dimensions4 differ
WidthDiffers101.6 mm100 mm
DepthDiffers146.1 mm70 mm
HeightDiffers25.4 mm9.5 mm
WeightDiffers635 g100 g
Other features1 differ
Drive ready timeDiffers7 s4 s
Power requirementsKnown for one+5V±5%
Drive device, transfer rateKnown for one100 MB/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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