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Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-pack vs Samsung 80GB Ultra-ATA/100 HDD

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  • 22specifications compared
  • 16differ
  • 6identical
  • 4known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD, 20-pack has 320 GB more HDD capacity than the Samsung 80GB Ultra-ATA/100 HDD (400 GB vs 80 GB). The Samsung 400GB Serial ATA II HDD, 20-pack has 1,800 RPM more HDD speed than the Samsung 80GB Ultra-ATA/100 HDD (7200 RPM vs 5400 RPM). The Samsung 400GB Serial ATA II HDD, 20-pack has 8 MB more storage drive buffer size than the Samsung 80GB Ultra-ATA/100 HDD (16 MB vs 8 MB). Interface: Serial ATA II on the Samsung 400GB Serial ATA II HDD, 20-pack, Ultra-ATA/100 on the Samsung 80GB Ultra-ATA/100 HDD. Operating temperature (T-T): 0 - 60 °C on the Samsung 400GB Serial ATA II HDD, 20-pack, 5 - 55 °C on the Samsung 80GB Ultra-ATA/100 HDD.

  • HDD capacity
    • 400 GB
    • 80 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Full stroke seek time
    • 18 ms
    • 22 ms
  • Track to track seek time
    • 0.8 ms
    • 2 ms
  • Average seek time
    • 8.9 ms
    • 12 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms

Side by side

Differences highlightedShow differences only
26 specifications
A

Samsung

400GB Serial ATA II HDD, 20-packView product
B

Samsung

80GB Ultra-ATA/100 HDDView product
Features9 differ
HDD capacityDiffers400 GB80 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Storage drive buffer sizeDiffers16 MB8 MB
Full stroke seek timeDiffers18 ms22 ms
Track to track seek timeDiffers0.8 ms2 ms
Average seek timeDiffers8.9 ms12 ms
Average latencyDiffers4.17 ms5.6 ms
Mean time between failures (MTBF)Differs600000 h330000 h
Power2 differ
Power consumption (typical)Differs10 W4.5 W
Power consumption (standby)Differs1.3 W0.1 W
Power consumption (PowerSave)Known for one0.25 W
Operating voltageKnown for one5 V
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Operating shockDiffers63 G300 G
Non-operating shockDiffers300 G1000 G
Other features2 differ
Power requirementsDiffers+5V±5%;+12V±10%+5V
Drive ready timeDiffers10 s4 s
HDD transfer rateKnown for one1000 Mbit/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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