Freecom 30577 USB flash drive vs Freecom 30579 USB flash drive

Comparison of 30577, 30579

13 specifications	A Freecom 30577 USB flash drive Model 30577 View product	B Freecom 30579 USB flash drive Model 30579 View product
Performance1 differ
CapacityDiffers	1 GB	4 GB
Read speed	8 MB/s	8 MB/s
Write speed	7 MB/s	7 MB/s
Data retention	10 year(s)	10 year(s)
Plug and Play	Yes	Yes
Designidentical
Form factorKnown for one	—Unknown — not stated by the source	Credit card
Weight & dimensionsidentical
Weight	10 g	10 g
Packaging contentidentical
Manual	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 45 °C	0 - 45 °C
Storage temperature (T-T)	-20 - 80 °C	-20 - 80 °C
Other featuresidentical
Dimensions (WxDxH)	85.5 x 54 x 2 mm	85.5 x 54 x 2 mm
USB powered	Yes	Yes
USB required	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.