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Product comparison · 2 internal hard drives

Seagate 40GB HD vs Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk

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  • 11specifications compared
  • 10differ
  • 1identical
  • 21known for one product only

Key differences

The Seagate 40GB HD has 3.3 GB more HDD capacity than the Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk (40 GB vs 36.7 GB). The Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk has 5,800 RPM more HDD speed than the Seagate 40GB HD (10000 RPM vs 4200 RPM). The Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk has 1" more HDD size than the Seagate 40GB HD (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Seagate 40GB HD, SCSI on the Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk. Operating voltage: 5 V on the Seagate 40GB HD, 5 / 12 V on the Seagate HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulk.

  • HDD capacity
    • 40 GB
    • 36.7 GB
  • HDD speed
    • 4200 RPM
    • 10000 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Ultra-ATA/100
    • SCSI
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • HDD number of heads
    • 2
    • 4
  • Average seek time
    • 12 ms
    • 4.5 ms
  • Average latency
    • 5.6 ms
    • 3 ms

Side by side

Differences highlightedShow differences only
32 specifications
A

Seagate

40GB HDView product
B

Seagate

HD Atlas 10K III U320 36GB 80Pin 10.000rpm 5 Year Warranty 20pk bulkView product
Features8 differ
HDD capacityDiffers40 GB36.7 GB
HDD speedDiffers4200 RPM10000 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100SCSI
TypeKnown for oneHDD
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers2 MB8 MB
HDD number of headsDiffers24
Average seek timeDiffers12 ms4.5 ms
Average latencyDiffers5.6 ms3 ms
Bytes per sectorKnown for one512
Track to track seek timeKnown for one0.3 ms
Power1 differ
Power consumption (typical)Known for one2.4 W
Power consumption (standby)Known for one0.36 W
Power consumption (idle)Known for one0.97 W
Power consumption (read)Known for one2.4 W
Power consumption (write)Known for one2.4 W
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one1.2 A
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Storage temperature (T-T)Known for one-40 - 65 °C
Operating shockKnown for one225 G
Non-operating shockKnown for one800 G
Weight & dimensions1 differ
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightDiffers99 g700 g
Other featuresidentical
Power requirementsKnown for one+5VDC (+-5%), +12 VDC (+-5%)
Dimensions (WxDxH)Known for one102 x 147 x 26 mm
InternalKnown for oneYes
Sustained data rateKnown for one33 MB/s
I/O portsKnown for one80-pin SCA-2

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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