“What SD card is needed for Garmin GPS Products ? From the Nuvi 42LM to the most recent of GPS products what is the SD needed to upgrade the maps.”

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• This unit will support up to a 32GB microSD card.

  Answered by CommunityAnswer 10 years ago

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• The Garmin devices, at one point in time, may ask that you use a microSD/SD card to install the entire map update, however may not occur for a while. The nüvi 55 will support up to a 32GB microSD card. {CW}

  Answered by GarminProductExpert 10 years ago

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