Product comparison · 2 external hard drives

ADATA 250GB Classic CH91 2.5” vs Samsung S2 Portable 320GB 2.5", USB 2.0, 5400 RPM

10specifications compared
3differ
7identical
16known for one product only

Key differences

HDD capacity
- 250GB Classic CH91 2.5”:250 GB
- S2 Portable 320GB 2.5", USB 2.0, 5400 RPM:320 GB
Dimensions (WxDxH)
- 250GB Classic CH91 2.5”:82 x 134 x 15.7 mm
- S2 Portable 320GB 2.5", USB 2.0, 5400 RPM:111 x 17.5 x 82 mm

Side by side

Differences highlightedShow differences only

Comparison of 250GB Classic CH91 2.5”, S2 Portable 320GB 2.5", USB 2.0, 5400 RPM
26 specifications	A ADATA 250GB Classic CH91 2.5”View product	B Samsung S2 Portable 320GB 2.5", USB 2.0, 5400 RPM View product
Hard drive1 differ
HDD capacityDiffers	250 GB	320 GB
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Ports & interfacesidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
Featuresidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	154 g
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	USB
Package widthKnown for one	Unknown — not stated by the source	42 mm
Package heightKnown for one	Unknown — not stated by the source	180 mm
Bundled softwareKnown for one	HDD to go	Unknown — not stated by the source
Other features2 differ
Interface typeKnown for one	Unknown — not stated by the source	Hi-Speed USB 2.0
Package lengthKnown for one	Unknown — not stated by the source	14.2 cm
Package weightKnown for one	Unknown — not stated by the source	319 kg
Compatible operating systemsDiffers	Windows 2000, XP, Vista Mac OS X 10.4+ Linux Kernal 2.4+	Windows Vista/XP/2000 Pro, Mac OS
Dimensions (WxDxH)Differs	82 x 134 x 15.7 mm	111 x 17.5 x 82 mm
Drive device, transfer rateKnown for one	30 MB/s	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
USB requiredKnown for one	Yes	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.

More external hard drive comparisons

All external hard drive comparisons