General Information
2Gb SD Card Speed tests
2Gb SD cards are just about the most popular flash memory card available, due to their wide spread use in devices, large capacity and low cost. However popularity doesn’t mean that all cards are made equal, or for that matter even remotely. So how do you choose a SD card, high speed or otherwise objectively? Well, simple really, you look at the chart below. The main thing to remember with SD cards is the use they are going to be put to. For Navigation devices read speed is more important, since you want the maps to come quickly, whilst write speed is more important for cameras. In the case of high speed SD cards most manufacturers will claim to do higher speed variants and in general they are correct, you do gain significantly from the higher speed SD cards, but you should be very careful in comparing the speeds claimed between manufacturers, one mans 66x SD Card is another mans 80x.
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 - Write Speed ( Mb/S ) -  - Read Speed ( Mb/S ) -  - Erase Speed ( Mb/S ) -  - Average of speeds ( Mb/S )
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