Product comparison · 2 internal hard drives

Seagate EE25.1 20 GB Ultra ATA/100 25pk vs Seagate ST930818AM 30GB

Add a product
  • 16specifications compared
  • 8differ
  • 8identical
  • 16known for one product only

Key differences

The Seagate ST930818AM 30GB has 10 GB more HDD capacity than the Seagate EE25.1 20 GB Ultra ATA/100 25pk (30 GB vs 20 GB). The Seagate EE25.1 20 GB Ultra ATA/100 25pk has 1 more HDD heads than the Seagate ST930818AM 30GB (2 vs 1). The Seagate ST930818AM 30GB has 0.5 ms more read seek time than the Seagate EE25.1 20 GB Ultra ATA/100 25pk (13 ms vs 12.5 ms). Interface: Ultra-ATA/100 on the Seagate EE25.1 20 GB Ultra ATA/100 25pk, IDE/ATA on the Seagate ST930818AM 30GB. Operating temperature (T-T): -30 - 85 °C on the Seagate EE25.1 20 GB Ultra ATA/100 25pk, -20 - 75 °C on the Seagate ST930818AM 30GB.

  • HDD capacity
    • EE25.1 20 GB Ultra ATA/100 25pk:20 GB
    • ST930818AM 30GB:30 GB
  • Interface
    • EE25.1 20 GB Ultra ATA/100 25pk:Ultra-ATA/100
    • ST930818AM 30GB:IDE/ATA
  • HDD number of heads
    • EE25.1 20 GB Ultra ATA/100 25pk:2
    • ST930818AM 30GB:1
  • Read seek time
    • EE25.1 20 GB Ultra ATA/100 25pk:12.5 ms
    • ST930818AM 30GB:13 ms
  • Write seek time
    • EE25.1 20 GB Ultra ATA/100 25pk:14.5 ms
    • ST930818AM 30GB:14 ms
  • Operating temperature (T-T)
    • EE25.1 20 GB Ultra ATA/100 25pk:-30 - 85 °C
    • ST930818AM 30GB:-20 - 75 °C
  • Depth
    • EE25.1 20 GB Ultra ATA/100 25pk:100 mm
    • ST930818AM 30GB:100.2 mm
  • Weight
    • EE25.1 20 GB Ultra ATA/100 25pk:100 g
    • ST930818AM 30GB:102 g

Side by side

Differences highlightedShow differences only (on)
Comparison of EE25.1 20 GB Ultra ATA/100 25pk, ST930818AM 30GB
32 specifications
Features5 differ
HDD capacityDiffers20 GB30 GB
InterfaceDiffersUltra-ATA/100IDE/ATA
HDD number of cylindersKnown for oneUnknown — not stated by the source16383
HDD number of headsDiffers21
Read seek timeDiffers12.5 ms13 ms
Write seek timeDiffers14.5 ms14 ms
Full stroke seek timeKnown for oneUnknown — not stated by the source23 ms
Track to track seek timeKnown for oneUnknown — not stated by the source1 ms
Average latencyKnown for oneUnknown — not stated by the source5.6 ms
Bytes per sectorKnown for oneUnknown — not stated by the source512
Mean time between failures (MTBF)Known for oneUnknown — not stated by the source1000000 h
Poweridentical
Power consumption (standby)Known for one0.26 WUnknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs-30 - 85 °C-20 - 75 °C
Storage temperature (T-T)Known for one-40 - 95 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one5 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Non-operating shockKnown for one800 GUnknown — not stated by the source
Weight & dimensions2 differ
DepthDiffers100 mm100.2 mm
WeightDiffers100 g102 g
Other featuresidentical
HDD transfer rateKnown for oneUnknown — not stated by the source100 Mbit/s
Recording densityKnown for oneUnknown — not stated by the source840 kbit/inch
Track densityKnown for oneUnknown — not stated by the source150k tracks/inch
Compatible productsKnown for onePCUnknown — not stated by the source
CertificationKnown for oneFCC Class BUnknown — not stated by the source

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.

More internal hard drive comparisons

All internal hard drive comparisons