Iomega Helium 1TB vs Iomega Helium 500GB

Comparison of Helium 1TB, Helium 500GB

20 specifications	A Iomega Helium 1TBView product	B Iomega Helium 500GBView product
Hard drive1 differ
HDD capacityDiffers	1 TB	500 GB
Type	HDD	HDD
File format systemKnown for one	HFS+	—Unknown — not stated by the source
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
Plug and Play	Yes	Yes
Securityidentical
Security algorithms	256-bit AES	256-bit AES
Poweridentical
Bus powered	USB	USB
Weight & dimensions1 differ
Width	77.2 mm	77.2 mm
Depth	120.6 mm	120.6 mm
Height	15.5 mm	15.5 mm
WeightDiffers	231.3 g	2.31 kg
Packaging data1 differ
Cables included	USB	USB
Bundled softwareDiffers	Trend Micro Smart Surfing for Mac Internet Security Iomega QuikProtect MozyHome Online Backup	Trend Micro Smart Surfing f/ Mac Internet Security Iomega QuikProtect MozyHome Online Backup service (2GB Free)
User guideKnown for one	—Unknown — not stated by the source	Yes
Other featuresidentical
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Compatible operating systems	Microsoft Windows XP / Windows Vista / Windows 7 Mac OS X 10.5 - 10.7	Microsoft Windows XP / Windows Vista / Windows 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.