Product comparison · 2 internal hard drives

Seagate 40GB HD vs Seagate HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk

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  • 11specifications compared
  • 9differ
  • 2identical
  • 21known for one product only

Key differences

The Seagate 40GB HD has 22 GB more HDD capacity than the Seagate HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk (40 GB vs 18 GB). The Seagate HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk has 5,800 RPM more HDD speed than the Seagate 40GB HD (10000 RPM vs 4200 RPM). The Seagate HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk 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 HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk. Operating voltage: 5 V on the Seagate 40GB HD, 5 / 12 V on the Seagate HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk.

  • HDD capacity
    • 40GB HD:40 GB
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:18 GB
  • HDD speed
    • 40GB HD:4200 RPM
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:10000 RPM
  • HDD size
    • 40GB HD:2.5"
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:3.5"
  • Interface
    • 40GB HD:Ultra-ATA/100
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:SCSI
  • Storage drive buffer size
    • 40GB HD:2 MB
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:8 MB
  • Average seek time
    • 40GB HD:12 ms
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:4.5 ms
  • Average latency
    • 40GB HD:5.6 ms
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:3 ms
  • Operating voltage
    • 40GB HD:5 V
    • HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk:5 / 12 V

Side by side

Differences highlightedShow differences only (on)
Comparison of 40GB HD, HDAtlas10KIII 18GBU160 68pin10 Bulk 1pk
32 specifications
Features7 differ
HDD capacityDiffers40 GB18 GB
HDD speedDiffers4200 RPM10000 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersUltra-ATA/100SCSI
TypeKnown for oneHDDUnknown — not stated by the source
Component forKnown for oneLaptopUnknown — not stated by the source
Storage drive buffer sizeDiffers2 MB8 MB
Average seek timeDiffers12 ms4.5 ms
Average latencyDiffers5.6 ms3 ms
Bytes per sectorKnown for one512Unknown — not stated by the source
Track to track seek timeKnown for oneUnknown — not stated by the source0.3 ms
Power1 differ
Power consumption (typical)Known for one2.4 WUnknown — not stated by the source
Power consumption (standby)Known for one0.36 WUnknown — not stated by the source
Power consumption (idle)Known for one0.97 WUnknown — not stated by the source
Power consumption (read)Known for one2.4 WUnknown — not stated by the source
Power consumption (write)Known for one2.4 WUnknown — not stated by the source
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one1.2 AUnknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one-40 - 65 °CUnknown — not stated by the source
Operating shockKnown for one225 GUnknown — not stated by the source
Non-operating shockKnown for one800 GUnknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one69.8 mmUnknown — not stated by the source
DepthKnown for one100.2 mmUnknown — not stated by the source
HeightKnown for one9.5 mmUnknown — not stated by the source
WeightDiffers99 g700 g
Other featuresidentical
Power requirementsKnown for oneUnknown — not stated by the source+5VDC (+-5%), +12 VDC (+-5%)
Dimensions (WxDxH)Known for oneUnknown — not stated by the source102 x 147 x 26 mm
InternalKnown for oneUnknown — not stated by the sourceYes
Sustained data rateKnown for oneUnknown — not stated by the source33 MB/s
I/O portsKnown for oneUnknown — not stated by the source68-pin Wide LVD

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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