The M3 series is a group of entry-level global position system devices manufactured by Nextar. While multiple M3 models exist, they're all similar when it comes to memory. The M3 features a 3.5-inch touch screen, voice navigation and United States and Mexico map coverage.
Built-in Memory
The Nextar M3 series GPS units include 1GB of built-in memory. This memory, which can't be added to or modified, is used to open and run the applications on the GPS unit.
Memory Card Compatibility
M3 GPS units come with Secure Digital memory card support. These units come with a 1GB SD card storing Navtec maps for every state and a 1.6 million point-of-interest database. With the additional maps and POIs included on the SD card, there is no additional space on the card for any personal files.
Considerations
The Nextar M3 GPS units come with a built-in music player and photo viewer. Capable of reading MP3 music files and JPEG image files, the M3 doubles as a music player and picture viewer. Since the device only supports SD cards, which have a maximum capacity of 2GB, you may need multiple cards if you want to access a large picture or music library through the M3.
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