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Originally Posted by yvilla
Please pardon my ignorance in asking this question, but having never used any GPS system before I'm clueless: I am planning on buying my first system so I went to the OnCourse site after reading your review, and cannot find any explanation of the choice between buying it on a 2 GB SD versus the slightly more expensive 4 GB SD.
Is the 4 GB version designed for someone that may want or need to save routes? And if so, does that mean mean the 2 GB version does not have enough room on the card for that at all, or just that it it doesn't have as much room?
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I got the 2 GB version and had no problem with saving routes. I didn't check how much space the routes would take, but I don't think it's significant. But the 2 GB card contained all of the maps and the software with room to spare. The 4 GB card would just have more free space, because both contain the same version (Premium) with the same maps and # of POIs.
Keep in mind that support for 4 GB SD cards isn't a given with older devices and applications. Some apps on some devices may not be able to access the card unless it's partitioned. The 2GB card, on the other hand, should be no problem with any SD compatible device or application.