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Product comparison · 2 internal hard drives

Seagate 120GB 5400rpm SATA vs Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit

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  • 8specifications compared
  • 5differ
  • 3identical
  • 19known for one product only

Key differences

The Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit has 1,800 RPM more HDD speed than the Seagate 120GB 5400rpm SATA (7200 RPM vs 5400 RPM). The Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit has 1" more HDD size than the Seagate 120GB 5400rpm SATA (3.5" vs 2.5"). The Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit has 24 MB more storage drive buffer size than the Seagate 120GB 5400rpm SATA (32 MB vs 8 MB). HDD capacity: 120 GB on the Seagate 120GB 5400rpm SATA, 1 TB on the Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit. Operating voltage: 5 V on the Seagate 120GB 5400rpm SATA, 5 / 12 V on the Seagate Barracuda 3.5" 1TB Internal Hard Drive Upgrade Kit.

  • HDD capacity
    • 120 GB
    • 1 TB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Storage drive buffer size
    • 8 MB
    • 32 MB
  • Operating voltage
    • 5 V
    • 5 / 12 V

Side by side

Differences highlightedShow differences only
27 specifications
A

Seagate

120GB 5400rpm SATAView product
B

Seagate

Barracuda 3.5" 1TB Internal Hard Drive Upgrade KitView product
Features4 differ
HDD capacityDiffers120 GB1 TB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
TypeKnown for oneHDD
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers8 MB32 MB
HDD number of headsKnown for one2
Average seek timeKnown for one12 ms
Average latencyKnown for one5.6 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one600000
Power1 differ
Operating voltageDiffers5 V5 / 12 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 & dimensionsidentical
WidthKnown for one70 mm
DepthKnown for one100 mm
HeightKnown for one9.5 mm
WeightKnown for one102 g
Other featuresidentical
Drive device, transfer rateKnown for one300 MB/s
Compatible operating systemsKnown for one- Microsoft Vista, Windows XP, 2000 Pro - Power Mac G5/Mac O/S 10.2 - Linux
Packaging contentidentical
User guideKnown 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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