ADATA CH-81 external hard drive vs Iomega eGo™ HD 320GB USB 2.0

Comparison of CH-81, eGo™ HD 320GB USB 2.0

29 specifications	A ADATA CH-81 external hard drive Model CH-81 View product	B Iomega eGo™ HD 320GB USB 2.0View product
Hard driveidentical
HDD sizeKnown for one	2.5"	—Unknown — not stated by the source
Features1 differ
Product colourDiffers	Black	Red
Plug and PlayKnown for one	Yes	—Unknown — not stated by the source
LED indicatorsKnown for one	Yes	—Unknown — not stated by the source
Poweridentical
Bus poweredKnown for one	—Unknown — not stated by the source	USB
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	88.9 mm
DepthKnown for one	—Unknown — not stated by the source	136.5 mm
HeightKnown for one	—Unknown — not stated by the source	15.9 mm
WeightKnown for one	—Unknown — not stated by the source	185 g
Packaging dataidentical
Bundled softwareKnown for one	—Unknown — not stated by the source	McAfee VirusScan Plus, EMC Retrospect Express Backup Iomega QuikProtect, MozyHome Online Backup
Cables includedKnown for one	USB	—Unknown — not stated by the source
Other features1 differ
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
MaterialKnown for one	—Unknown — not stated by the source	Aluminium
Minimum processorKnown for one	—Unknown — not stated by the source	G3 / Pentium II
Minimum system requirementsKnown for one	—Unknown — not stated by the source	Microsoft Internet Explorer 6.0, Firefox 1.0, Apple Safari 1.2 +
Quick start guideKnown for one	—Unknown — not stated by the source	Yes
Supported data transfer ratesKnown for one	—Unknown — not stated by the source	480 Mbits/s
USB cableKnown for one	—Unknown — not stated by the source	USB
USB requiredKnown for one	—Unknown — not stated by the source	Yes
Compatible operating systemsDiffers	Windows 2000, XP, Vista Mac OS X 10.4 Linux Kernal 2.4	Mac OS X 10.1.5 + Microsoft Windows Vista, 2000, Professional/XP Home/XP Professional/XP Professional x64
Drive device, transfer rateKnown for one	30 MB/s	—Unknown — not stated by the source
Dimensions (WxDxH)Known for one	82 x 134 x 15.7 mm	—Unknown — not stated by the source

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.