Freecom DataCard 256MB USB 2.0 vs Freecom DataCard 512MB USB-2

Comparison of DataCard 256MB USB 2.0, DataCard 512MB USB-2

10 specifications	A Freecom DataCard 256MB USB 2.0View product	B Freecom DataCard 512MB USB-2View product
Performance1 differ
CapacityDiffers	0.25 GB	0.5 GB
Read speed	8 MB/s	8 MB/s
Write speed	7 MB/s	7 MB/s
Data retentionKnown for one	—Unknown — not stated by the source	10 year(s)
Designidentical
CertificationKnown for one	—Unknown — not stated by the source	CE, FCC, WEEE, ROHS
Weight & dimensionsidentical
Weight	10 g	10 g
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 45 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-20 - 80 °C
Other featuresidentical
Dimensions (WxDxH)	2 x 85 x 54 mm	2 x 85 x 54 mm
USB powered	Yes	Yes

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.