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Product comparison · 2 internal hard drives

Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk vs Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk

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  • 24specifications compared
  • 18differ
  • 6identical
  • 6known for one product only

Key differences

The Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk has 200 GB more HDD capacity than the Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk (320 GB vs 120 GB). The Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk has 3,000 RPM more HDD speed than the Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk (7200 RPM vs 4200 RPM). The Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk has 1" more HDD size than the Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk, Ultra-ATA/100 on the Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk. Operating voltage: 5 / 12 V on the Seagate Barracuda 7200.10 320GB Serial ATA II 7200RPM 16MB 20pk bulk, 5 V on the Seagate Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulk.

  • HDD capacity
    • 320 GB
    • 120 GB
  • HDD speed
    • 7200 RPM
    • 4200 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average latency
    • 4.16 ms
    • 5.6 ms
  • Power consumption (standby)
    • 0.8 W
    • 0.26 W
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
30 specifications
A

Seagate

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

Seagate

Momentus 4200.2 120GB Ultra ATA/100 4200RPM 8MB 25pk bulkView product
Features6 differ
HDD capacityDiffers320 GB120 GB
HDD speedDiffers7200 RPM4200 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Storage drive buffer sizeDiffers16 MB8 MB
Track to track seek timeKnown for one8.5 ms
Average latencyDiffers4.16 ms5.6 ms
Bytes per sector512512
Component forKnown for oneLaptop
Average seek timeKnown for one12.5 ms
Power3 differ
Power consumption (standby)Differs0.8 W0.26 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentDiffers2.8 A1 A
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating shockDiffers68 G250 G
Non-operating shockDiffers300 G900 G
Weight & dimensions4 differ
WidthDiffers101.6 mm69.8 mm
DepthDiffers147 mm100.2 mm
HeightDiffers26.1 mm9.5 mm
WeightDiffers635 g100 g
Other features2 differ
Dimensions (WxDxH)Differs101.6 x 146.99 x 26.1 mm69.85 x 100.2 x 9.5 mm
Data transfer rateKnown for one3 Gbit/s
External power adapterNoNo
InternalYesYes
Mac compatibilityNoNo
USB poweredNoNo
Compatible productsDiffersPCPCs
Acoustic pressure emissionsKnown for one2.7 dB
Drive device, transfer rateKnown for one100 MB/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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