Product comparison · 2 external hard drives

Iomega 500GB Helium HDD vs Seagate Expansion 1TB

14specifications compared
6differ
8identical
16known for one product only

Key differences

HDD capacity
- 500GB Helium HDD:500 GB
- Expansion 1TB:1 TB
Product colour
- 500GB Helium HDD:Silver
- Expansion 1TB:Black
Bus powered
- 500GB Helium HDD:No
- Expansion 1TB:USB
Width
- 500GB Helium HDD:85 mm
- Expansion 1TB:80 mm
Depth
- 500GB Helium HDD:123.9 mm
- Expansion 1TB:141.3 mm
Height
- 500GB Helium HDD:17.5 mm
- Expansion 1TB:17.6 mm

Side by side

Differences highlightedShow differences only

Comparison of 500GB Helium HDD, Expansion 1TB
30 specifications	A Iomega 500GB Helium HDD View product	B Seagate Expansion 1TB View product
Hard drive1 differ
HDD capacityDiffers	500 GB	1 TB
HDD size	2.5"	2.5"
Type	HDD	HDD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
USB connector	USB	USB
USB version	2.0	2.0
Ethernet LAN	No	No
FireWire 400Known for one	No	Unknown — not stated by the source
FireWire 800Known for one	No	Unknown — not stated by the source
USB data transfer ratesKnown for one	Unknown — not stated by the source	480 Mbit/s
Features1 differ
Product colourDiffers	Silver	Black
Power1 differ
Bus poweredDiffers	No	USB
Weight & dimensions3 differ
WidthDiffers	85 mm	80 mm
DepthDiffers	123.9 mm	141.3 mm
HeightDiffers	17.5 mm	17.6 mm
WeightKnown for one	163 g	Unknown — not stated by the source
Other featuresidentical
Internal	No	No
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Minimum RAMKnown for one	128 MB	Unknown — not stated by the source
Minimum processorKnown for one	PowerPC G3	Unknown — not stated by the source
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
USB requiredKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows Vista/7/2000/XP Mac OS X 10.4 - 10.6	Unknown — not stated by the source
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
Quick start guideKnown for one	Unknown — not stated by the source	Yes
USB cableKnown for one	Unknown — not stated by the source	USB
Weight (imperial)Known for one	Unknown — not stated by the source	0.36 kg (0.794 lbs)
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	No

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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