Product comparison · 2 external hard drives

ADATA 320GB CH94 vs Freecom XXS 640GB

12specifications compared
6differ
6identical
25known for one product only

Key differences

HDD capacity
- 320GB CH94:320 GB
- XXS 640GB:640 GB
Bus powered
- 320GB CH94:No
- XXS 640GB:USB
Width
- 320GB CH94:130.6 mm
- XXS 640GB:109.8 mm
Depth
- 320GB CH94:86.8 mm
- XXS 640GB:79.5 mm
Height
- 320GB CH94:14.5 mm
- XXS 640GB:13.5 mm
Weight
- 320GB CH94:172 g
- XXS 640GB:155 g

Side by side

Differences highlightedShow differences only

Comparison of 320GB CH94, XXS 640GB
37 specifications	A ADATA 320GB CH94 View product	B Freecom XXS 640GB View product
Hard drive1 differ
HDD capacityDiffers	320 GB	640 GB
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Ports & interfacesidentical
Maximum data transfer rate	480 Mbit/s	480 Mbit/s
Ethernet LANKnown for one	Unknown — not stated by the source	No
eSATAKnown 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
USB connectorKnown for one	USB	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
USB data transfer ratesKnown for one	480 Mbit/s	Unknown — not stated by the source
Featuresidentical
Product colour	Black	Black
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Windows 2000, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows XP Home, Windows XP Professional	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Bus poweredDiffers	No	USB
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C
Weight & dimensions4 differ
WidthDiffers	130.6 mm	109.8 mm
DepthDiffers	86.8 mm	79.5 mm
HeightDiffers	14.5 mm	13.5 mm
WeightDiffers	172 g	155 g
Packaging dataidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	No
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	50000 h
Minimum RAMKnown for one	Unknown — not stated by the source	256 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium III, 900MHz/PowerPC G3/G4/G5
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	Yes
USB required	Yes	Yes
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 2000 / XP / Vista, Mac OS X v10.3
Connectivity technologyKnown for one	Wired	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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