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Product comparison · 2 internal hard drives

Seagate HD Atlas 10K III 18GB U320 68pin 10krpm vs Seagate HD Fireball 3 30GB ATA133 5400rpm

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  • 11specifications compared
  • 8differ
  • 3identical
  • 2known for one product only

Key differences

The Seagate HD Fireball 3 30GB ATA133 5400rpm has 12 GB more HDD capacity than the Seagate HD Atlas 10K III 18GB U320 68pin 10krpm (30 GB vs 18 GB). The Seagate HD Atlas 10K III 18GB U320 68pin 10krpm has 6 MB more storage drive buffer size than the Seagate HD Fireball 3 30GB ATA133 5400rpm (8 MB vs 2 MB). The Seagate HD Fireball 3 30GB ATA133 5400rpm has 2 more HDD heads than the Seagate HD Atlas 10K III 18GB U320 68pin 10krpm (4 vs 2). Interface: SCSI on the Seagate HD Atlas 10K III 18GB U320 68pin 10krpm, Ultra-ATA/133 on the Seagate HD Fireball 3 30GB ATA133 5400rpm. Dimensions (WxDxH): 101.6 x 147 x 26.1 mm on the Seagate HD Atlas 10K III 18GB U320 68pin 10krpm, 101.6 x 146.1 x 17.5 mm on the Seagate HD Fireball 3 30GB ATA133 5400rpm.

  • HDD capacity
    • 18 GB
    • 30 GB
  • Interface
    • SCSI
    • Ultra-ATA/133
  • Storage drive buffer size
    • 8 MB
    • 2 MB
  • HDD number of heads
    • 2
    • 4
  • Read seek time
    • 4.5 ms
    • 12 ms
  • Average latency
    • 3 ms
    • 5.5 ms
  • Weight
    • 700 g
    • 509 g
  • Dimensions (WxDxH)
    • 101.6 x 147 x 26.1 mm
    • 101.6 x 146.1 x 17.5 mm

Side by side

Differences highlightedShow differences only
13 specifications
A

Seagate

HD Atlas 10K III 18GB U320 68pin 10krpmView product
B

Seagate

HD Fireball 3 30GB ATA133 5400rpmView product
Features6 differ
HDD capacityDiffers18 GB30 GB
HDD speedKnown for one10000 RPM
HDD size3.5"3.5"
InterfaceDiffersSCSIUltra-ATA/133
Storage drive buffer sizeDiffers8 MB2 MB
HDD number of headsDiffers24
Read seek timeDiffers4.5 ms12 ms
Average latencyDiffers3 ms5.5 ms
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Weight & dimensions1 differ
WeightDiffers700 g509 g
Other features1 differ
Dimensions (WxDxH)Differs101.6 x 147 x 26.1 mm101.6 x 146.1 x 17.5 mm
InternalYesYes
Power requirementsKnown for one12V: 342mA (seek), 190mA (idle), 22mA (standby); 5V: 411mA (seek), 331mA (idle), 110mA (standby)

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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