Iomega 1TB Helium vs Iomega 500GB Helium

Comparison of 1TB Helium, 500GB Helium

18 specifications	A Iomega 1TB HeliumView product	B Iomega 500GB HeliumView product
Hard drive1 differ
HDD capacityDiffers	1 TB	500 GB
HDD size	2.5"	2.5"
Type	HDD	HDD
Ports & interfacesidentical
USB connector	USB	USB
USB version	2.0	2.0
USB data transfer rates	480 Mbit/s	480 Mbit/s
Featuresidentical
Product colour	Silver	Silver
Housing material	Aluminium	Aluminium
Plug and Play	Yes	Yes
Securityidentical
Security algorithms	256-bit AES	256-bit AES
Poweridentical
Bus powered	USB	USB
Weight & dimensionsidentical
Width	77 mm	77 mm
Depth	120 mm	120 mm
Height	15 mm	15 mm
Weight	231 g	231 g
Other featuresidentical
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Compatible operating systems	Windows XP, Vista, 7 Mac OS X 10.5 - 10.7	Windows XP, Vista, 7 Mac OS X 10.5 - 10.7

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.