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Product comparison · 2 internal hard drives

Samsung 160GB Ultra-ATA/133 HDD, 20-PK vs Samsung 400GB Serial ATA II HDD

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  • 24specifications compared
  • 9differ
  • 15identical
  • 4known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD has 240 GB more HDD capacity than the Samsung 160GB Ultra-ATA/133 HDD, 20-PK (400 GB vs 160 GB). The Samsung 400GB Serial ATA II HDD has 8 MB more storage drive buffer size than the Samsung 160GB Ultra-ATA/133 HDD, 20-PK (16 MB vs 8 MB). The Samsung 400GB Serial ATA II HDD has 2.5 W more power consumption (typical) than the Samsung 160GB Ultra-ATA/133 HDD, 20-PK (10 W vs 7.5 W). Interface: Ultra-ATA/133 on the Samsung 160GB Ultra-ATA/133 HDD, 20-PK, Serial ATA II on the Samsung 400GB Serial ATA II HDD. Non-operating altitude: 12000 on the Samsung 160GB Ultra-ATA/133 HDD, 20-PK, 0 - 12000 m on the Samsung 400GB Serial ATA II HDD.

  • HDD capacity
    • 160 GB
    • 400 GB
  • Interface
    • Ultra-ATA/133
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Power consumption (typical)
    • 7.5 W
    • 10 W
  • Power consumption (standby)
    • 0.5 W
    • 1.3 W
  • Non-operating altitude
    • 12000
    • 0 - 12000 m
  • Non-operating shock
    • 350 G
    • 300 G
  • Power requirements
    • +5V / +12V
    • +5V±5%;+12V±10%

Side by side

Differences highlightedShow differences only
28 specifications
A

Samsung

160GB Ultra-ATA/133 HDD, 20-PKView product
B

Samsung

400GB Serial ATA II HDDView product
Features3 differ
HDD capacityDiffers160 GB400 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/133Serial ATA II
Storage drive buffer sizeDiffers8 MB16 MB
Full stroke seek time18 ms18 ms
Track to track seek time0.8 ms0.8 ms
Average seek time8.9 ms8.9 ms
Average latency4.17 ms4.17 ms
Bytes per sector512512
Mean time between failures (MTBF)600000 h600000 h
Power2 differ
Power consumption (typical)Differs7.5 W10 W
Power consumption (standby)Differs0.5 W1.3 W
Power consumption (PowerSave)Known for one0.4 W
Operating voltage5 / 12 V5 / 12 V
Operational conditions2 differ
Operating temperature (T-T)0 - 60 °C0 - 60 °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%
Non-operating altitudeDiffers120000 - 12000 m
Operating shock63 G63 G
Non-operating shockDiffers350 G300 G
Operating altitudeKnown for one0 - 3000 m
Other features2 differ
Power requirementsDiffers+5V / +12V+5V±5%;+12V±10%
Drive device, transfer rateKnown for one133 MB/s
Drive ready timeDiffers7 s10 s
InternalYesYes
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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