Product comparison · 2 internal hard drives

Seagate 18.4GB HDD vs Seagate FIREBALL 3 40GB IDE FDB

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  • 11specifications compared
  • 11differ
  • 0identical
  • 22known for one product only

Key differences

  • HDD capacity
    • 18.4GB HDD:18.4 GB
    • FIREBALL 3 40GB IDE FDB:40 GB
  • HDD speed
    • 18.4GB HDD:15000 RPM
    • FIREBALL 3 40GB IDE FDB:5400 RPM
  • Interface
    • 18.4GB HDD:SCSI
    • FIREBALL 3 40GB IDE FDB:Ultra-ATA/133
  • Storage drive buffer size
    • 18.4GB HDD:8 MB
    • FIREBALL 3 40GB IDE FDB:2 MB
  • HDD number of heads
    • 18.4GB HDD:2
    • FIREBALL 3 40GB IDE FDB:16
  • Read seek time
    • 18.4GB HDD:3.6 ms
    • FIREBALL 3 40GB IDE FDB:2.8 ms
  • Write seek time
    • 18.4GB HDD:3.9 ms
    • FIREBALL 3 40GB IDE FDB:2.8 ms
  • Track to track seek time
    • 18.4GB HDD:0.4 ms
    • FIREBALL 3 40GB IDE FDB:2.7 ms

Side by side

Differences highlightedShow differences only (off)
Comparison of 18.4GB HDD, FIREBALL 3 40GB IDE FDB
33 specifications
Features9 differ
HDD capacityDiffers18.4 GB40 GB
HDD speedDiffers15000 RPM5400 RPM
HDD sizeKnown for one3.5"Unknown — not stated by the source
InterfaceDiffersSCSIUltra-ATA/133
TypeKnown for oneHDDUnknown — not stated by the source
Component forKnown for oneServer/workstationUnknown — not stated by the source
Storage drive buffer sizeDiffers8 MB2 MB
HDD number of headsDiffers216
Read seek timeDiffers3.6 ms2.8 ms
Write seek timeDiffers3.9 ms2.8 ms
Track to track seek timeDiffers0.4 ms2.7 ms
Average seek timeKnown for one3.6 msUnknown — not stated by the source
Average latencyDiffers2 ms5.5 ms
Mean time between failures (MTBF)Known for one1200000 hUnknown — not stated by the source
Access timeKnown for oneUnknown — not stated by the source12 ms
Poweridentical
Power consumption (idle)Known for one9 WUnknown — not stated by the source
Operating voltageKnown for one5 / 12 VUnknown — not stated by the source
Start-up currentKnown for one1.03 AUnknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 55 °C5 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °CUnknown — not stated by the source
Operating vibrationKnown for one0.5 GUnknown — not stated by the source
Non-operating vibrationKnown for one2 GUnknown — not stated by the source
Operating shockKnown for one60 GUnknown — not stated by the source
Non-operating shockKnown for one250 GUnknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one101.6 mmUnknown — not stated by the source
DepthKnown for one146.6 mmUnknown — not stated by the source
HeightKnown for one25.4 mmUnknown — not stated by the source
WeightDiffers800 g509 g
Other featuresidentical
Power requirementsKnown for oneUnknown — not stated by the source+-5 +-12
Dimensions (WxDxH)Known for oneUnknown — not stated by the source101.6 x 146.1 x 17.5 mm
Data transfer rateKnown for oneUnknown — not stated by the source0.133 Gbit/s
InternalKnown for oneUnknown — not stated by the sourceYes
Total storage capacityKnown for oneUnknown — not stated by the source40 GB

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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