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Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk vs Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk

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  • 24specifications compared
  • 7differ
  • 17identical
  • 5known for one product only

Key differences

The Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk has 280 GB more HDD capacity than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk (320 GB vs 40 GB). The Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk has 14 MB more storage drive buffer size than the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk (16 MB vs 2 MB). The Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk has 0.5 W more power consumption (standby) than the Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk (1.30 W vs 0.8 W). Compatible products: PC on the Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk, PCs on the Seagate Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulk.

  • HDD capacity
    • 320 GB
    • 40 GB
  • Storage drive buffer size
    • 16 MB
    • 2 MB
  • Power consumption (standby)
    • 0.8 W
    • 1.30 W
  • Operating shock
    • 68 G
    • 63 G
  • Non-operating shock
    • 300 G
    • 350 G
  • Weight
    • 635 g
    • 580 g
  • Compatible products
    • PC
    • PCs

Side by side

Differences highlightedShow differences only
29 specifications
A

Seagate

Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulkView product
B

Seagate

Barracuda 7200.9 40GB Serial ATA II 7200RPM 2MB NCQ 20pk bulkView product
Features2 differ
HDD capacityDiffers320 GB40 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceSerial ATA IISerial ATA II
Storage drive buffer sizeDiffers16 MB2 MB
Track to track seek timeKnown for one8.5 ms
Average latency4.16 ms4.16 ms
Bytes per sectorKnown for one512
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one16
Power1 differ
Power consumption (standby)Differs0.8 W1.30 W
Operating voltage5 / 12 V5 / 12 V
Start-up current2.8 A2.8 A
Operational conditions2 differ
Operating temperature (T-T)0 - 60 °C0 - 60 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating shockDiffers68 G63 G
Non-operating shockDiffers300 G350 G
Weight & dimensions1 differ
Width101.6 mm101.6 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
WeightDiffers635 g580 g
Other features1 differ
Dimensions (WxDxH)101.6 x 146.99 x 26.1 mm101.6 x 146.99 x 26.1 mm
Data transfer rate3 Gbit/s3 Gbit/s
External power adapterNoNo
InternalYesYes
Mac compatibilityNoNo
USB poweredNoNo
Compatible productsDiffersPCPCs
Acoustic pressure emissionsKnown for one2.7 dB

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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