Product comparison · 2 external hard drives

Iomega 1TB Helium vs Iomega 2TB Mac Companion

Key differences

Differences highlightedShow differences only

Comparison of 1TB Helium, 2TB Mac Companion
25 specifications	A Iomega 1TB Helium View product	B Iomega 2TB Mac Companion View product
Hard drive2 differ
HDD capacityDiffers	1 TB	2 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeDiffers	2.5"	3.5"
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
FireWire 400Known for one	Unknown — not stated by the source	Yes
FireWire 800Known for one	Unknown — not stated by the source	Yes
Features1 differ
Product colourDiffers	Silver	Black, Silver
Plug and Play	Yes	Yes
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Poweridentical
Bus powered	USB	USB
External power adapterKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	231 g	2.06 kg
WidthKnown for one	77 mm	Unknown — not stated by the source
DepthKnown for one	120 mm	Unknown — not stated by the source
HeightKnown for one	15 mm	Unknown — not stated by the source
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	FireWire, USB
User guideKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
DC-in jackKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantityDiffers	1	3
USB required	Yes	Yes
Compatible operating systemsDiffers	Windows XP, Vista, 7 Mac OS X 10.5 - 10.7	Windows Vista, 7 Mac OS X 10.5 - 10.7
Securityidentical
Security algorithmsKnown for one	256-bit AES	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.