Product comparison · 2 external hard drives

Iomega 1TB Prestige Compact vs Iomega 320GB Helium HDD

17specifications compared
10differ
7identical
12known for one product only

Key differences

HDD capacity
- 1TB Prestige Compact:1 TB
- 320GB Helium HDD:320 GB
Product colour
- 1TB Prestige Compact:Black
- 320GB Helium HDD:Silver
Bus powered
- 1TB Prestige Compact:USB
- 320GB Helium HDD:No
Width
- 1TB Prestige Compact:80.8 mm
- 320GB Helium HDD:85 mm
Depth
- 1TB Prestige Compact:110 mm
- 320GB Helium HDD:123.9 mm
Height
- 1TB Prestige Compact:16 mm
- 320GB Helium HDD:17.5 mm
Weight
- 1TB Prestige Compact:180 g
- 320GB Helium HDD:163 g
Minimum RAM
- 1TB Prestige Compact:256 MB
- 320GB Helium HDD:128 MB

Side by side

Differences highlightedShow differences only

Comparison of 1TB Prestige Compact, 320GB Helium HDD
29 specifications	A Iomega 1TB Prestige Compact View product	B Iomega 320GB Helium HDD View product
Hard drive1 differ
HDD capacityDiffers	1 TB	320 GB
HDD size	2.5"	2.5"
Type	HDD	HDD
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
USB connector	USB	USB
USB version	2.0	2.0
Ethernet LANKnown for one	Unknown — not stated by the source	No
FireWire 400Known for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
Features1 differ
Product colourDiffers	Black	Silver
Power1 differ
Bus poweredDiffers	USB	No
Weight & dimensions4 differ
WidthDiffers	80.8 mm	85 mm
DepthDiffers	110 mm	123.9 mm
HeightDiffers	16 mm	17.5 mm
WeightDiffers	180 g	163 g
Other features3 differ
Internal	No	No
Mac compatibility	Yes	Yes
Minimum RAMDiffers	256 MB	128 MB
Minimum processorDiffers	Intel Pentium II, Power PC G3	PowerPC G3
Quick start guideKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
USB cableKnown for one	Unknown — not stated by the source	USB
USB required	Yes	Yes
Compatible operating systemsDiffers	-Microsoft Windows 2000 Professional/XP Home/XP Professional/Windows Vista/Windows 7. -Mac OS X, v 10.1 - 10.6.	Windows Vista/7/2000/XP Mac OS X 10.4 - 10.6
HDD transfer rateKnown for one	480 Mbit/s	Unknown — not stated by the source
MaterialKnown for one	Aluminium	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.

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