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Product comparison · 2 internal hard drives

Seagate 300GB 3.5" Ultra ATA/100 vs Seagate 36.95GB 3.5" SCSI

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  • 20specifications compared
  • 9differ
  • 11identical
  • 11known for one product only

Key differences

The Seagate 300GB 3.5" Ultra ATA/100 has 263.05 GB more HDD capacity than the Seagate 36.95GB 3.5" SCSI (300 GB vs 36.95 GB). The Seagate 300GB 3.5" Ultra ATA/100 has 14 MB more storage drive buffer size than the Seagate 36.95GB 3.5" SCSI (16 MB vs 2 MB). The Seagate 300GB 3.5" Ultra ATA/100 has 10.6 ms more read seek time than the Seagate 36.95GB 3.5" SCSI (11 ms vs 0.4 ms). Interface: Ultra-ATA/100 on the Seagate 300GB 3.5" Ultra ATA/100, SCSI on the Seagate 36.95GB 3.5" SCSI.

  • HDD capacity
    • 300 GB
    • 36.95 GB
  • Interface
    • Ultra-ATA/100
    • SCSI
  • Storage drive buffer size
    • 16 MB
    • 2 MB
  • Read seek time
    • 11 ms
    • 0.4 ms
  • Write seek time
    • 12 ms
    • 0.5 ms
  • Average latency
    • 4.16 ms
    • 4.17 ms
  • Depth
    • 147 mm
    • 146 mm
  • Height
    • 26.1 mm
    • 25.4 mm

Side by side

Differences highlightedShow differences only
31 specifications
A

Seagate

300GB 3.5" Ultra ATA/100View product
B

Seagate

36.95GB 3.5" SCSIView product
Features6 differ
HDD capacityDiffers300 GB36.95 GB
InterfaceDiffersUltra-ATA/100SCSI
Storage drive buffer sizeDiffers16 MB2 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Read seek timeDiffers11 ms0.4 ms
Write seek timeDiffers12 ms0.5 ms
Average latencyDiffers4.16 ms4.17 ms
Start/stop cyclesKnown for one50000
Component forKnown for oneServer/workstation
Bytes per sectorKnown for one512
Poweridentical
Start-up currentKnown for one2.6 A
Operational conditionsidentical
Operating shockKnown for one63 G
Non-operating shockKnown for one300 G
Weight & dimensions3 differ
DepthDiffers147 mm146 mm
HeightDiffers26.1 mm25.4 mm
WeightDiffers655 g544 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one2
Drive devices burst data transfer rate (PIO)Known for one4
Drive devices burst data transfer rate (Ultra DMA)Known for one5

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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