Product comparison · 2 internal hard drives

Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm vs Seagate HD Fireball 3 20GB ATA133 5400rpm

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  • 8specifications compared
  • 5differ
  • 3identical
  • 6known for one product only

Key differences

The Seagate HD Fireball 3 20GB ATA133 5400rpm has 2 GB more HDD capacity than the Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm (20 GB vs 18 GB). The Seagate HD Fireball 3 20GB ATA133 5400rpm has 2.5 ms more average latency than the Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm (5.5 ms vs 3 ms). The Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm has 191 g more weight than the Seagate HD Fireball 3 20GB ATA133 5400rpm (700 g vs 509 g). Interface: SCSI on the Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm, Ultra-ATA/133 on the Seagate HD Fireball 3 20GB ATA133 5400rpm. Dimensions (WxDxH): 102 x 147 x 26 mm on the Seagate HD Atlas 10K III 18GB U320 80pin 10Krpm, 101.6 x 146.1 x 17.5 mm on the Seagate HD Fireball 3 20GB ATA133 5400rpm.

  • HDD capacity
    • HD Atlas 10K III 18GB U320 80pin 10Krpm:18 GB
    • HD Fireball 3 20GB ATA133 5400rpm:20 GB
  • Interface
    • HD Atlas 10K III 18GB U320 80pin 10Krpm:SCSI
    • HD Fireball 3 20GB ATA133 5400rpm:Ultra-ATA/133
  • Average latency
    • HD Atlas 10K III 18GB U320 80pin 10Krpm:3 ms
    • HD Fireball 3 20GB ATA133 5400rpm:5.5 ms
  • Weight
    • HD Atlas 10K III 18GB U320 80pin 10Krpm:700 g
    • HD Fireball 3 20GB ATA133 5400rpm:509 g
  • Dimensions (WxDxH)
    • HD Atlas 10K III 18GB U320 80pin 10Krpm:102 x 147 x 26 mm
    • HD Fireball 3 20GB ATA133 5400rpm:101.6 x 146.1 x 17.5 mm

Side by side

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Comparison of HD Atlas 10K III 18GB U320 80pin 10Krpm, HD Fireball 3 20GB ATA133 5400rpm
14 specifications
Features3 differ
HDD capacityDiffers18 GB20 GB
HDD speedKnown for one10000 RPMUnknown — not stated by the source
InterfaceDiffersSCSIUltra-ATA/133
Storage drive buffer sizeKnown for one8 MBUnknown — not stated by the source
Average seek timeKnown for one4.5 msUnknown — not stated by the source
Average latencyDiffers3 ms5.5 ms
Read seek timeKnown for oneUnknown — not stated by the source12 ms
Weight & dimensions1 differ
WeightDiffers700 g509 g
Other features1 differ
Dimensions (WxDxH)Differs102 x 147 x 26 mm101.6 x 146.1 x 17.5 mm
Power requirementsKnown for oneUnknown — not stated by the source12V: 342mA (seek), 190mA (idle), 22mA (standby); 5V: 411mA (seek), 331mA (idle), 110mA (standby)
InternalKnown for oneUnknown — not stated by the sourceYes

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