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Product comparison · 2 internal hard drives

HP 72.8GB, 10K, Ultra3 SCSI vs Samsung 400GB Serial ATA II HDD, 20-pack

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  • 5specifications compared
  • 5differ
  • 0identical
  • 21known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD, 20-pack has 327.2 GB more HDD capacity than the HP 72.8GB, 10K, Ultra3 SCSI (400 GB vs 72.8 GB). The HP 72.8GB, 10K, Ultra3 SCSI has 2,800 RPM more HDD speed than the Samsung 400GB Serial ATA II HDD, 20-pack (10000 RPM vs 7200 RPM). The HP 72.8GB, 10K, Ultra3 SCSI has 3.9 ms more track to track seek time than the Samsung 400GB Serial ATA II HDD, 20-pack (4.7 ms vs 0.8 ms). Interface: Wide Ultra3 SCSI on the HP 72.8GB, 10K, Ultra3 SCSI, Serial ATA II on the Samsung 400GB Serial ATA II HDD, 20-pack.

  • HDD capacity
    • 72.8 GB
    • 400 GB
  • HDD speed
    • 10000 RPM
    • 7200 RPM
  • Interface
    • Wide Ultra3 SCSI
    • Serial ATA II
  • Track to track seek time
    • 4.7 ms
    • 0.8 ms
  • Average latency
    • 3 ms
    • 4.17 ms

Side by side

Differences highlightedShow differences only
26 specifications
A

HP

72.8GB, 10K, Ultra3 SCSIView product
B

Samsung

400GB Serial ATA II HDD, 20-packView product
Features5 differ
HDD capacityDiffers72.8 GB400 GB
HDD speedDiffers10000 RPM7200 RPM
InterfaceDiffersWide Ultra3 SCSISerial ATA II
Storage drive buffer sizeKnown for one16 MB
Full stroke seek timeKnown for one18 ms
Track to track seek timeDiffers4.7 ms0.8 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers3 ms4.17 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Known for one600000 h
HDD sizeKnown for one1"
TypeKnown for oneHDD
Component forKnown for oneServer/workstation
Poweridentical
Power consumption (typical)Known for one10 W
Power consumption (standby)Known for one1.3 W
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °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 one300 G
Other featuresidentical
HDD transfer rateKnown for one1000 Mbit/s
Power requirementsKnown for one+5V±5%;+12V±10%
Drive ready timeKnown for one10 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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