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Product comparison · 2 internal hard drives

Seagate Cheetah 15K.3 18GB vs Seagate MOMENTUS 7200.1 100GB ATA

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  • 13specifications compared
  • 9differ
  • 4identical
  • 5known for one product only

Key differences

The Seagate MOMENTUS 7200.1 100GB ATA has 82 GB more HDD capacity than the Seagate Cheetah 15K.3 18GB (100 GB vs 18 GB). The Seagate Cheetah 15K.3 18GB has 7,800 RPM more HDD speed than the Seagate MOMENTUS 7200.1 100GB ATA (15000 RPM vs 7200 RPM). The Seagate Cheetah 15K.3 18GB has 1" more HDD size than the Seagate MOMENTUS 7200.1 100GB ATA (3.5" vs 2.5"). Interface: Fibre Channel on the Seagate Cheetah 15K.3 18GB, Ultra-ATA/100 on the Seagate MOMENTUS 7200.1 100GB ATA. Component for: Server/workstation on the Seagate Cheetah 15K.3 18GB, Laptop on the Seagate MOMENTUS 7200.1 100GB ATA.

  • HDD capacity
    • 18 GB
    • 100 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Fibre Channel
    • Ultra-ATA/100
  • Component for
    • Server/workstation
    • Laptop
  • Average latency
    • 2 ms
    • 4.2 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Weight
    • 800 g
    • 115 g

Side by side

Differences highlightedShow differences only
18 specifications
A

Seagate

Cheetah 15K.3 18GBView product
B

Seagate

MOMENTUS 7200.1 100GB ATAView product
Features6 differ
HDD capacityDiffers18 GB100 GB
HDD speedDiffers15000 RPM7200 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersFibre ChannelUltra-ATA/100
Component forDiffersServer/workstationLaptop
Read seek timeKnown for one3.6 ms
Write seek timeKnown for one4 ms
Track to track seek timeKnown for one0.2 ms
Average latencyDiffers2 ms4.2 ms
Average seek timeKnown for one10.5 ms
Power1 differ
Operating voltageDiffers5 / 12 V5 V
Weight & dimensions1 differ
WeightDiffers800 g115 g
Other features1 differ
Dimensions (WxDxH)Differs146.6 x 101.6 x 25.4 mm100.2 x 69.85 x 9.5 mm
Number of pinsKnown for one40

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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