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Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk vs Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk

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  • 23specifications compared
  • 16differ
  • 7identical
  • 5known for one product only

Key differences

The Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk has 40 GB more HDD capacity than the Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk (80 GB vs 40 GB). The Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk has 1,800 RPM more HDD speed than the Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk (7200 RPM vs 5400 RPM). The Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk has 1" more HDD size than the Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk, Ultra-ATA/100 on the Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulk, 5 V on the Seagate Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulk.

  • HDD capacity
    • 80 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Average latency
    • 4.16 ms
    • 5.6 ms
  • Power consumption (standby)
    • 1.5 W
    • 0.28 W
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
28 specifications
A

Seagate

Barracuda 7200.9 80GB Serial ATA II 7200RPM 2MB 20pk bulkView product
B

Seagate

Momentus 5400.2 40GB Ultra ATA/100 5400RPM 8MB 25pk bulkView product
Features6 differ
HDD capacityDiffers80 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Component forKnown for oneLaptop
Storage drive buffer sizeDiffers2 MB8 MB
Average seek timeKnown for one12.5 ms
Average latencyDiffers4.16 ms5.6 ms
Bytes per sector512512
Power2 differ
Power consumption (standby)Differs1.5 W0.28 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one2.8 A
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating shockDiffers63 G250 G
Non-operating shockDiffers350 G900 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers147 mm100.2 mm
HeightDiffers20 mm9.5 mm
WeightDiffers365 g100 g
Other features1 differ
Dimensions (WxDxH)Differs101.6 x 146.99 x 19.99 mm69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
External power adapterNoNo
InternalYesYes
Mac compatibilityNoNo
USB poweredNoNo
Compatible productsPCsPCs
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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