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Product comparison · 2 internal hard drives

Seagate Cheetah 400GB vs Seagate Momentus 5400 320GB 50PK

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  • 12specifications compared
  • 11differ
  • 1identical
  • 3known for one product only

Key differences

The Seagate Cheetah 400GB has 80 GB more HDD capacity than the Seagate Momentus 5400 320GB 50PK (400 GB vs 320 GB). The Seagate Cheetah 400GB has 4,600 RPM more HDD speed than the Seagate Momentus 5400 320GB 50PK (10000 RPM vs 5400 RPM). The Seagate Cheetah 400GB has 8 MB more storage drive buffer size than the Seagate Momentus 5400 320GB 50PK (16 MB vs 8 MB). Interface: Fibre Channel on the Seagate Cheetah 400GB, Serial ATA on the Seagate Momentus 5400 320GB 50PK. Component for: Server/workstation on the Seagate Cheetah 400GB, Laptop on the Seagate Momentus 5400 320GB 50PK.

  • HDD capacity
    • 400 GB
    • 320 GB
  • HDD speed
    • 10000 RPM
    • 5400 RPM
  • Interface
    • Fibre Channel
    • Serial ATA
  • Component for
    • Server/workstation
    • Laptop
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Read seek time
    • 3.9 ms
    • 11 ms
  • Average latency
    • 3 ms
    • 5.6 ms
  • Width
    • 101.8 mm
    • 69.8 mm

Side by side

Differences highlightedShow differences only
15 specifications
A

Seagate

Cheetah 400GBView product
B

Seagate

Momentus 5400 320GB 50PKView product
Features7 differ
HDD capacityDiffers400 GB320 GB
HDD speedDiffers10000 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersFibre ChannelSerial ATA
Component forDiffersServer/workstationLaptop
Storage drive buffer sizeDiffers16 MB8 MB
Read seek timeDiffers3.9 ms11 ms
Average latencyDiffers3 ms5.6 ms
Write seek timeKnown for one4.2 ms
Poweridentical
Operating voltageKnown for one5 V
Weight & dimensions4 differ
WidthDiffers101.8 mm69.8 mm
DepthDiffers147 mm100.3 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers800 g98 g
Other featuresidentical
InternalYesYes

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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