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Product comparison · 2 internal hard drives

Seagate 200GB 3.5" Ultra ATA/100 vs Seagate 400GB 3.5" Ultra ATA/100

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  • 26specifications compared
  • 4differ
  • 22identical
  • 1known for one product only

Key differences

The Seagate 400GB 3.5" Ultra ATA/100 has 200 GB more HDD capacity than the Seagate 200GB 3.5" Ultra ATA/100 (400 GB vs 200 GB). The Seagate 400GB 3.5" Ultra ATA/100 has 8 MB more storage drive buffer size than the Seagate 200GB 3.5" Ultra ATA/100 (16 MB vs 8 MB). The Seagate 200GB 3.5" Ultra ATA/100 has 50 G more non-operating shock than the Seagate 400GB 3.5" Ultra ATA/100 (350 G vs 300 G).

  • HDD capacity
    • 200 GB
    • 400 GB
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Non-operating shock
    • 350 G
    • 300 G
  • Weight
    • 580 g
    • 710 g

Side by side

Differences highlightedShow differences only
27 specifications
A

Seagate

200GB 3.5" Ultra ATA/100View product
B

Seagate

400GB 3.5" Ultra ATA/100View product
Features2 differ
HDD capacityDiffers200 GB400 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceUltra-ATA/100Ultra-ATA/100
TypeHDDHDD
Storage drive buffer sizeDiffers8 MB16 MB
HDD number of cylinders1638316383
HDD number of heads1616
Read seek time11 ms11 ms
Write seek time12 ms12 ms
Average latency4.16 ms4.16 ms
Bytes per sector512512
Start/stop cycles5000050000
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Start-up currentKnown for one2.6 A
Operational conditions1 differ
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)5 - 90%5 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating altitude-60.96 - 3048 m-60.96 - 3048 m
Non-operating altitude-60.96 - 12192 m-60.96 - 12192 m
Operating shock63 G63 G
Non-operating shockDiffers350 G300 G
Weight & dimensions1 differ
Width101.6 mm101.6 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
WeightDiffers580 g710 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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