Verbatim 3.5'' External Combo Hard Drive 500GB vs Verbatim 3.5'' External USB Hard Drive 500GB

Comparison of 3.5'' External Combo Hard Drive 500GB, 3.5'' External USB Hard Drive 500GB

19 specifications	A Verbatim 3.5'' External Combo Hard Drive 500GBView product	B Verbatim 3.5'' External USB Hard Drive 500GBView product
Hard driveidentical
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Type	HDD	HDD
Ports & interfacesidentical
FireWire 400	Yes	Yes
Featuresidentical
Product colour	Silver	Silver
Poweridentical
External power adapter	Yes	Yes
Weight & dimensionsidentical
Width	221 mm	221 mm
Depth	127 mm	127 mm
Height	39 mm	39 mm
Packaging dataidentical
Bundled softwareKnown for one	BounceBack Express Backup	—Unknown — not stated by the source
Other featuresidentical
Internal	No	No
Mac compatibility	Yes	Yes
Minimum system requirements	CD-ROM	CD-ROM
Power requirements	+5V; +12V	+5V; +12V
USB 2.0 ports quantity	1	1
USB cable	USB	USB
Compatible operating systems	Windows 98SE/Me/2000/XP/Vista Mac OS 8.6-9.x Mac OS X 10.1 +	Windows 98SE/Me/2000/XP/Vista Mac OS 8.6-9.x Mac OS X 10.1 +
FireWire cableKnown for one	Yes	—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.