Product comparison · 2 external hard drives

Iomega 500GB Helium vs Iomega Helium 1TB

Key differences

Differences highlightedShow differences only

Comparison of 500GB Helium, Helium 1TB
21 specifications	A Iomega 500GB Helium View product	B Iomega Helium 1TB View product
Hard drive1 differ
HDD capacityDiffers	500 GB	1 TB
Type	HDD	HDD
File format systemKnown for one	Unknown — not stated by the source	HFS+
HDD sizeKnown for one	2.5"	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
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Securityidentical
Security algorithms	256-bit AES	256-bit AES
Poweridentical
Bus powered	USB	USB
Weight & dimensions4 differ
WidthDiffers	77 mm	77.2 mm
DepthDiffers	120 mm	120.6 mm
HeightDiffers	15 mm	15.5 mm
WeightDiffers	231 g	231.3 g
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	USB
Bundled softwareKnown for one	Unknown — not stated by the source	Trend Micro Smart Surfing for Mac Internet Security Iomega QuikProtect MozyHome Online Backup
Other features1 differ
USB 2.0 ports quantity	1	1
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows XP, Vista, 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.