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Product comparison · 2 external hard drives

Buffalo HD-PS400U2 external hard drive vs iStorage SonicSTOR eSATA & USB 2.0 160GB

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  • 7specifications compared
  • 3differ
  • 4identical
  • 22known for one product only

Key differences

  • HDD capacity
    • 400 GB
    • 160 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM

Side by side

Differences highlightedShow differences only
29 specifications
A

Buffalo

HD-PS400U2 external hard drive

Model HD-PS400U2

View product
B

iStorage

SonicSTOR eSATA & USB 2.0 160GBView product
Hard drive2 differ
HDD capacityDiffers400 GB160 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one2.5"
InterfaceKnown for oneSerial ATA
TypeHDDHDD
Storage drive average seek timeKnown for one9 ms
Storage drive buffer sizeKnown for one8 MB
Ports & interfacesidentical
Maximum data transfer rateKnown for one480 Mbit/s
eSATAKnown for oneYes
Featuresidentical
Product colourKnown for oneBlack
Plug and PlayKnown for oneYes
Poweridentical
Bus poweredKnown for oneUSB
Power consumption (typical)Known for one2.5 W
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Weight & dimensionsidentical
WeightKnown for one190 g
WidthKnown for one38 mm
DepthKnown for one198 mm
HeightKnown for one119 mm
Other features1 differ
InternalNoNo
Mac compatibilityYesYes
USB 2.0 ports quantity11
USB requiredKnown for oneYes
Compatible operating systemsDiffersWindows XP, Windows 2000 Mac OS XWindows 98/98SE/ME/2000/XP/Vista & Mac OS 10.2 +
Dimensions (WxDxH)Known for one127 x 84 x 20 mm
Mean time between failures (MTBF)Known for one750000 h
Supported data transfer ratesKnown for one700-800MB/min (USB 2.0), 1.5Gb/s (SATA), 3.0 Gb/s (SATA2)
USB cableKnown for oneUSB
eSATA cableKnown for oneYes
Packaging dataidentical
User guideKnown for oneYes

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