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Product comparison · 2 internal hard drives

Seagate 120GB 5400rpm SATA vs Seagate ST18 ATA 60-GB

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  • 9specifications compared
  • 8differ
  • 1identical
  • 16known for one product only

Key differences

The Seagate 120GB 5400rpm SATA has 60 GB more HDD capacity than the Seagate ST18 ATA 60-GB (120 GB vs 60 GB). The Seagate 120GB 5400rpm SATA has 0.7" more HDD size than the Seagate ST18 ATA 60-GB (2.5" vs 1.8"). The Seagate ST18 ATA 60-GB has 2.7 ms more average latency than the Seagate 120GB 5400rpm SATA (8.3 ms vs 5.6 ms).

  • HDD capacity
    • 120 GB
    • 60 GB
  • HDD size
    • 2.5"
    • 1.8"
  • Average latency
    • 5.6 ms
    • 8.3 ms
  • Operating voltage
    • 5 V
    • 3.3 V
  • Width
    • 70 mm
    • 54.3 mm
  • Depth
    • 100 mm
    • 71.3 mm
  • Height
    • 9.5 mm
    • 5.15 mm
  • Weight
    • 102 g
    • 48 g

Side by side

Differences highlightedShow differences only
25 specifications
A

Seagate

120GB 5400rpm SATAView product
B

Seagate

ST18 ATA 60-GBView product
Features3 differ
HDD capacityDiffers120 GB60 GB
HDD speedKnown for one5400 RPM
HDD sizeDiffers2.5"1.8"
InterfaceKnown for oneSerial ATA
TypeKnown for oneHDD
Component forKnown for oneLaptop
Storage drive buffer sizeKnown for one8 MB
HDD number of headsKnown for one2
Average seek timeKnown for one12 ms
Average latencyDiffers5.6 ms8.3 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one600000
Power1 differ
Operating voltageDiffers5 V3.3 V
Start-up currentKnown for one1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating shockKnown for one325 G
Non-operating shockKnown for one900 G
Weight & dimensions4 differ
WidthDiffers70 mm54.3 mm
DepthDiffers100 mm71.3 mm
HeightDiffers9.5 mm5.15 mm
WeightDiffers102 g48 g
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
Drive device, transfer rateKnown for one300 MB/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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