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Product comparison · 2 internal hard drives

Seagate 120GB 3.5" Ultra ATA/100 vs Seagate 200GB 3.5" IDE

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  • 29specifications compared
  • 8differ
  • 21identical
  • 9known for one product only

Key differences

The Seagate 200GB 3.5" IDE has 80 GB more HDD capacity than the Seagate 120GB 3.5" Ultra ATA/100 (200 GB vs 120 GB). The Seagate 200GB 3.5" IDE has 6 MB more storage drive buffer size than the Seagate 120GB 3.5" Ultra ATA/100 (8 MB vs 2 MB). The Seagate 120GB 3.5" Ultra ATA/100 has 50 G more non-operating shock than the Seagate 200GB 3.5" IDE (350 G vs 300 G). Interface: Ultra-ATA/100 on the Seagate 120GB 3.5" Ultra ATA/100, IDE/ATA on the Seagate 200GB 3.5" IDE.

  • HDD capacity
    • 120 GB
    • 200 GB
  • Interface
    • Ultra-ATA/100
    • IDE/ATA
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Non-operating shock
    • 350 G
    • 300 G
  • Width
    • 101.6 mm
    • 101.8 mm
  • Depth
    • 146.9 mm
    • 147 mm
  • Height
    • 26 mm
    • 26.1 mm
  • Weight
    • 580 g
    • 635 g

Side by side

Differences highlightedShow differences only
38 specifications
A

Seagate

120GB 3.5" Ultra ATA/100View product
B

Seagate

200GB 3.5" IDEView product
Features3 differ
HDD capacityDiffers120 GB200 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/100IDE/ATA
TypeHDDHDD
Storage drive buffer sizeDiffers2 MB8 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
Power consumption (idle)Known for one2.5 W
Operating voltage5 / 12 V5 / 12 V
Power consumption (standby)Known for one0.8 W
Power consumption (read)Known for one12.8 W
Power consumption (write)Known for one12.8 W
Start-up currentKnown for one2.8 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 & dimensions4 differ
WidthDiffers101.6 mm101.8 mm
DepthDiffers146.9 mm147 mm
HeightDiffers26 mm26.1 mm
WeightDiffers580 g635 g
Other featuresidentical
HDD transfer rateKnown for one100 Mbit/s
Power requirementsKnown for one2.6
Dimensions (WxDxH)Known for one101.6 x 146.9 x 26.04 mm
InternalKnown for oneYes
Drive devices burst data transfer rate (DMA)22
Drive devices burst data transfer rate (PIO)44
Drive devices burst data transfer rate (Ultra DMA)55

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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