ADATA 640GB Classic CH91 2.5” vs Freecom ToughDrive 160GB

Comparison of 640GB Classic CH91 2.5”, ToughDrive 160GB

23 specifications	A ADATA 640GB Classic CH91 2.5”View product	B Freecom ToughDrive 160GBView product
Hard drive1 differ
HDD capacityDiffers	640 GB	160 GB
InterfaceKnown for one	Serial ATA	—Unknown — not stated by the source
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	8 MB
Featuresidentical
Product colourKnown for one	White	—Unknown — not stated by the source
Plug and PlayKnown for one	Yes	—Unknown — not stated by the source
Poweridentical
Bus poweredKnown for one	USB	—Unknown — not stated by the source
Packaging dataidentical
Bundled softwareKnown for one	HDD to go	—Unknown — not stated by the source
Other featuresidentical
Drive device, transfer rateKnown for one	30 MB/s	—Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
USB requiredKnown for one	Yes	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000, XP, Vista Mac OS X 10.4+ Linux Kernal 2.4+	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	82 x 134 x 15.7 mm	—Unknown — not stated by the source
Ports & interfacesidentical
USB connectorKnown for one	—Unknown — not stated by the source	USB
USB versionKnown for one	—Unknown — not stated by the source	2.0
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	140 mm
DepthKnown for one	—Unknown — not stated by the source	80 mm
HeightKnown for one	—Unknown — not stated by the source	19 mm
WeightKnown for one	—Unknown — not stated by the source	175 g

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.