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Product comparison · 2 internal hard drives

Seagate 120GB 5400rpm SATA vs Seagate 5400.4 SATA 250GB

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  • 21specifications compared
  • 4differ
  • 17identical
  • 22known for one product only

Key differences

The Seagate 5400.4 SATA 250GB has 130 GB more HDD capacity than the Seagate 120GB 5400rpm SATA (250 GB vs 120 GB). The Seagate 5400.4 SATA 250GB has 2 more HDD heads than the Seagate 120GB 5400rpm SATA (4 vs 2). The Seagate 120GB 5400rpm SATA has 0.2 mm more width than the Seagate 5400.4 SATA 250GB (70 mm vs 69.8 mm).

  • HDD capacity
    • 120 GB
    • 250 GB
  • HDD number of heads
    • 2
    • 4
  • Width
    • 70 mm
    • 69.8 mm
  • Depth
    • 100 mm
    • 100.2 mm

Side by side

Differences highlightedShow differences only
43 specifications
A

Seagate

120GB 5400rpm SATAView product
B

Seagate

5400.4 SATA 250GBView product
Features2 differ
HDD capacityDiffers120 GB250 GB
HDD speed5400 RPM5400 RPM
HDD size2.5"2.5"
InterfaceSerial ATASerial ATA
TypeHDDHDD
Component forLaptopLaptop
Storage drive buffer size8 MB8 MB
HDD number of headsDiffers24
Read seek timeKnown for one12 ms
Write seek timeKnown for one14 ms
Full stroke seek timeKnown for one20 ms
Track to track seek timeKnown for one2.5 ms
Average latency5.6 ms5.6 ms
Bytes per sector512512
Start/stop cycles600000600000
Average seek timeKnown for one12 ms
Poweridentical
Power consumption (standby)Known for one0.2 W
Power consumption (PowerSave)Known for one0.2 W
Power consumption (idle)Known for one0.6 W
Power consumption (read)Known for one2 W
Power consumption (write)Known for one1.6 W
Operating voltage5 V5 V
Start-up current1 A1 A
Operational conditionsidentical
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one5 G
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shock325 G325 G
Non-operating shock900 G900 G
Weight & dimensions2 differ
WidthDiffers70 mm69.8 mm
DepthDiffers100 mm100.2 mm
Height9.5 mm9.5 mm
Weight102 g102 g
Packaging dataidentical
Quantity per packKnown for one1 pc(s)
Other featuresidentical
Drive ready timeKnown for one3 s
Windows operating systems supportedKnown for oneYes
Data transfer rateKnown for one3 Gbit/s
Drive device, transfer rateKnown for one300 MB/s
InternalKnown for oneYes

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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