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Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pk vs Seagate Momentus 5400.3 160 GB

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  • 12specifications compared
  • 11differ
  • 1identical
  • 28known for one product only

Key differences

The Seagate Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pk has 340 GB more HDD capacity than the Seagate Momentus 5400.3 160 GB (500 GB vs 160 GB). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pk has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 160 GB (7200 RPM vs 5400 RPM). The Seagate Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pk has 24 MB more storage drive buffer size than the Seagate Momentus 5400.3 160 GB (32 MB vs 8 MB). Interface: Serial ATA II on the Seagate Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pk, Serial ATA on the Seagate Momentus 5400.3 160 GB.

  • HDD capacity
    • 500 GB
    • 160 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Serial ATA II
    • Serial ATA
  • Storage drive buffer size
    • 32 MB
    • 8 MB
  • Read seek time
    • 1 ms
    • 11 ms
  • Write seek time
    • 1.2 ms
    • 13 ms
  • Average latency
    • 4.16 ms
    • 5.56 ms
  • Width
    • 101.6 mm
    • 69.8 mm

Side by side

Differences highlightedShow differences only
40 specifications
A

Seagate

Barracuda ES.2 SATA 3.0-Gb/s 500-GB HD 20pkView product
B

Seagate

Momentus 5400.3 160 GBView product
Features7 differ
HDD capacityDiffers500 GB160 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSerial ATA IISerial ATA
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers32 MB8 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one4
Read seek timeDiffers1 ms11 ms
Write seek timeDiffers1.2 ms13 ms
Full stroke seek timeKnown for one24 ms
Track to track seek timeKnown for one1 ms
Average seek timeKnown for one12.5 ms
Average latencyDiffers4.16 ms5.56 ms
Bytes per sectorKnown for one512
Poweridentical
Power consumption (typical)Known for one2 W
Operating voltageKnown for one5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
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 shockKnown for one350 G
Non-operating shockKnown for one900 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers147 mm100.5 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers530 g100 g
Other featuresidentical
HDD transfer rateKnown for one352 Mbit/s
Power requirementsKnown for one+5.0V ± 5%
Disks included quantityKnown for one2 pc(s)
Drive device, transfer rateKnown for one150 MB/s
Drive ready timeKnown for one8 s
Recording densityKnown for one870 kbit/inch
Track densityKnown for one150000
Data transfer rateKnown for one3 Gbit/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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