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Product comparison · 2 internal hard drives

Seagate 3.5" 320 GB SATA vs Seagate Cheetah 10K.7 146 GB Fibre Channel 20pk

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  • 10specifications compared
  • 8differ
  • 2identical
  • 13known for one product only

Key differences

The Seagate 3.5" 320 GB SATA has 173.2 GB more HDD capacity than the Seagate Cheetah 10K.7 146 GB Fibre Channel 20pk (320 GB vs 146.8 GB). The Seagate Cheetah 10K.7 146 GB Fibre Channel 20pk has 2,800 RPM more HDD speed than the Seagate 3.5" 320 GB SATA (10000 RPM vs 7200 RPM). The Seagate 3.5" 320 GB SATA has 8 MB more storage drive buffer size than the Seagate Cheetah 10K.7 146 GB Fibre Channel 20pk (16 MB vs 8 MB). Interface: Serial ATA II on the Seagate 3.5" 320 GB SATA, Fibre Channel on the Seagate Cheetah 10K.7 146 GB Fibre Channel 20pk.

  • HDD capacity
    • 320 GB
    • 146.8 GB
  • HDD speed
    • 7200 RPM
    • 10000 RPM
  • Interface
    • Serial ATA II
    • Fibre Channel
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average latency
    • 4.16 ms
    • 3 ms
  • Depth
    • 147 mm
    • 146.1 mm
  • Height
    • 26.1 mm
    • 25.4 mm
  • Weight
    • 635 g
    • 726 g

Side by side

Differences highlightedShow differences only
23 specifications
A

Seagate

3.5" 320 GB SATAView product
B

Seagate

Cheetah 10K.7 146 GB Fibre Channel 20pkView product
Features5 differ
HDD capacityDiffers320 GB146.8 GB
HDD speedDiffers7200 RPM10000 RPM
InterfaceDiffersSerial ATA IIFibre Channel
Component forKnown for oneServer/workstation
Storage drive buffer sizeDiffers16 MB8 MB
HDD number of headsKnown for one4
Read seek timeKnown for one4.7 ms
Write seek timeKnown for one5.3 ms
Average latencyDiffers4.16 ms3 ms
HDD sizeKnown for one3.5"
Mean time between failures (MTBF)Known for one700000 h
Poweridentical
Power consumption (typical)Known for one15.5 W
Operating voltageKnown for one5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 55 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Non-operating shockKnown for one225 G
Weight & dimensions3 differ
DepthDiffers147 mm146.1 mm
HeightDiffers26.1 mm25.4 mm
WeightDiffers635 g726 g
Other featuresidentical
Drive device, transfer rateKnown for one200 MB/s
Data transfer rateKnown for one3 Gbit/s

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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