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Product comparison · 2 internal hard drives

Acer HD 250GB S-ATA 8MB 7.2krpm vs Seagate Barracuda 7200.9, 120GB, 20 pack

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  • 5specifications compared
  • 3differ
  • 2identical
  • 18known for one product only

Key differences

The Acer HD 250GB S-ATA 8MB 7.2krpm has 130 GB more HDD capacity than the Seagate Barracuda 7200.9, 120GB, 20 pack (250 GB vs 120 GB). The Acer HD 250GB S-ATA 8MB 7.2krpm has 6 MB more storage drive buffer size than the Seagate Barracuda 7200.9, 120GB, 20 pack (8 MB vs 2 MB). Interface: Serial ATA on the Acer HD 250GB S-ATA 8MB 7.2krpm, Ultra-ATA/100 on the Seagate Barracuda 7200.9, 120GB, 20 pack.

  • HDD capacity
    • 250 GB
    • 120 GB
  • Interface
    • Serial ATA
    • Ultra-ATA/100
  • Storage drive buffer size
    • 8 MB
    • 2 MB

Side by side

Differences highlightedShow differences only
23 specifications
A

Acer

HD 250GB S-ATA 8MB 7.2krpmView product
B

Seagate

Barracuda 7200.9, 120GB, 20 packView product
Features3 differ
HDD capacityDiffers250 GB120 GB
HDD speed7200 RPM7200 RPM
HDD sizeKnown for one3.5"
InterfaceDiffersSerial ATAUltra-ATA/100
Storage drive buffer sizeDiffers8 MB2 MB
Average latencyKnown for one4.16 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Poweridentical
Power consumption (standby)Known for one7.2 W
Operating voltageKnown for one5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Weight & dimensionsidentical
WidthKnown for one101 mm
DepthKnown for one146 mm
HeightKnown for one26 mm
WeightKnown for one580 g
Other featuresidentical
Drive device, transfer rateKnown for one100 MB/s
InternalYesYes
Mac compatibilityKnown for oneNo
Acoustic pressure emissionsKnown for one3 dB
Compatible productsKnown for oneAltos G310, G320, G520, R310, R510, R510 m2

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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