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Product comparison · 2 external hard drives

Acer 20GB USB 2.0 Pocket hard disk drive vs Iomega 750 GB 3.5" USB 2.0 Hard Drive

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  • 8specifications compared
  • 4differ
  • 4identical
  • 13known for one product only

Key differences

  • HDD capacity
    • 20 GB
    • 750 GB
  • HDD speed
    • 4200 RPM
    • 7200 RPM
  • Storage drive buffer size
    • 0.5 MB
    • 8 MB
  • Dimensions (WxDxH)
    • 100 x 60 x 8.7 mm
    • 121 x 222 x 34.9 mm

Side by side

Differences highlightedShow differences only
21 specifications
A

Acer

20GB USB 2.0 Pocket hard disk driveView product
B

Iomega

750 GB 3.5" USB 2.0 Hard DriveView product
Hard drive3 differ
HDD capacityDiffers20 GB750 GB
HDD speedDiffers4200 RPM7200 RPM
HDD sizeKnown for one1.8"
TypeHDDHDD
Storage drive average seek timeKnown for one15 ms
Storage drive buffer sizeDiffers0.5 MB8 MB
Ports & interfacesidentical
USB connectorUSBUSB
USB version2.02.0
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 50 °C
Operating relative humidity (H-H)Known for one5 - 90%
Weight & dimensionsidentical
WidthKnown for one100 mm
DepthKnown for one60 mm
HeightKnown for one8.7 mm
WeightKnown for one1.26 kg
Other features1 differ
Drive device, transfer rateKnown for one480 MB/s
InternalNoNo
Dimensions (WxDxH)Differs100 x 60 x 8.7 mm121 x 222 x 34.9 mm
I/O portsKnown for one1 x mini-USB Type B
HDD transfer rateKnown for one480 Mbit/s
Minimum processorKnown for onePentium II / Mac G3
Compatible operating systemsKnown for oneMicrosoft Windows 2000 Professional / XP Home / XP Professional / Vista Mac OS X 10.1 +

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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