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Product comparison · 2 internal hard drives

Seagate 20GB 3.5" Ultra ATA/100 vs Seagate 300GB 3.5" Ultra ATA/100

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  • 28specifications compared
  • 11differ
  • 17identical
  • 6known for one product only

Key differences

The Seagate 300GB 3.5" Ultra ATA/100 has 280 GB more HDD capacity than the Seagate 20GB 3.5" Ultra ATA/100 (300 GB vs 20 GB). The Seagate 300GB 3.5" Ultra ATA/100 has 1,800 RPM more HDD speed than the Seagate 20GB 3.5" Ultra ATA/100 (7200 RPM vs 5400 RPM). The Seagate 300GB 3.5" Ultra ATA/100 has 1.1 ms more read seek time than the Seagate 20GB 3.5" Ultra ATA/100 (11 ms vs 9.9 ms). Operating altitude: -198 - 304 m on the Seagate 20GB 3.5" Ultra ATA/100, -60.96 - 3048 m on the Seagate 300GB 3.5" Ultra ATA/100. Non-operating altitude: -198 - 12192 m on the Seagate 20GB 3.5" Ultra ATA/100, -60.96 - 12192 m on the Seagate 300GB 3.5" Ultra ATA/100.

  • HDD capacity
    • 20 GB
    • 300 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • Read seek time
    • 9.9 ms
    • 11 ms
  • Write seek time
    • 10.9 ms
    • 12 ms
  • Average latency
    • 5.55 ms
    • 4.16 ms
  • Start-up current
    • 1.4 A
    • 2.6 A
  • Operating altitude
    • -198 - 304 m
    • -60.96 - 3048 m
  • Non-operating altitude
    • -198 - 12192 m
    • -60.96 - 12192 m

Side by side

Differences highlightedShow differences only
34 specifications
A

Seagate

20GB 3.5" Ultra ATA/100View product
B

Seagate

300GB 3.5" Ultra ATA/100View product
Features5 differ
HDD capacityDiffers20 GB300 GB
HDD speedDiffers5400 RPM7200 RPM
Read seek timeDiffers9.9 ms11 ms
Write seek timeDiffers10.9 ms12 ms
Average latencyDiffers5.55 ms4.16 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Known for one500000 h
Storage drive buffer sizeKnown for one16 MB
Power1 differ
Power consumption (idle)Known for one4.8 W
Power consumption (read)Known for one7.1 W
Power consumption (write)Known for one7.1 W
Start-up currentDiffers1.4 A2.6 A
Operational conditions3 differ
Operating altitudeDiffers-198 - 304 m-60.96 - 3048 m
Non-operating altitudeDiffers-198 - 12192 m-60.96 - 12192 m
Non-operating shockDiffers350 G300 G
Weight & dimensions2 differ
WidthDiffers101.8 mm101.6 mm
WeightDiffers590 g655 g

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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