Product comparison · 2 internal hard drives

Seagate 200GB 3.5" SATA II vs Seagate 300GB 3.5" Ultra ATA/100

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  • 29specifications compared
  • 7differ
  • 22identical
  • 0known for one product only

Key differences

The Seagate 300GB 3.5" Ultra ATA/100 has 100 GB more HDD capacity than the Seagate 200GB 3.5" SATA II (300 GB vs 200 GB). The Seagate 300GB 3.5" Ultra ATA/100 has 8 MB more storage drive buffer size than the Seagate 200GB 3.5" SATA II (16 MB vs 8 MB). The Seagate 300GB 3.5" Ultra ATA/100 has 3 ms more read seek time than the Seagate 200GB 3.5" SATA II (11 ms vs 8 ms). Interface: Serial ATA II on the Seagate 200GB 3.5" SATA II, Ultra-ATA/100 on the Seagate 300GB 3.5" Ultra ATA/100.

  • HDD capacity
    • 200GB 3.5" SATA II:200 GB
    • 300GB 3.5" Ultra ATA/100:300 GB
  • Interface
    • 200GB 3.5" SATA II:Serial ATA II
    • 300GB 3.5" Ultra ATA/100:Ultra-ATA/100
  • Storage drive buffer size
    • 200GB 3.5" SATA II:8 MB
    • 300GB 3.5" Ultra ATA/100:16 MB
  • Read seek time
    • 200GB 3.5" SATA II:8 ms
    • 300GB 3.5" Ultra ATA/100:11 ms
  • Write seek time
    • 200GB 3.5" SATA II:9 ms
    • 300GB 3.5" Ultra ATA/100:12 ms
  • Non-operating shock
    • 200GB 3.5" SATA II:350 G
    • 300GB 3.5" Ultra ATA/100:300 G
  • Weight
    • 200GB 3.5" SATA II:580 g
    • 300GB 3.5" Ultra ATA/100:655 g

Side by side

Differences highlightedShow differences only (on)
Comparison of 200GB 3.5" SATA II, 300GB 3.5" Ultra ATA/100
29 specifications
Features5 differ
HDD capacityDiffers200 GB300 GB
InterfaceDiffersSerial ATA IIUltra-ATA/100
Storage drive buffer sizeDiffers8 MB16 MB
Read seek timeDiffers8 ms11 ms
Write seek timeDiffers9 ms12 ms
Operational conditions1 differ
Non-operating shockDiffers350 G300 G
Weight & dimensions1 differ
WeightDiffers580 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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