Garmin Dash Cams require an SD card to record video or take pictures because the device does not have any internal memory for storing files.

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SD Card specifications for Garmin Dash Cam 46, 47, 56, 57, 66W, 67W, Mini, Mini 2, and Garmin Dash Cam Tandem:

Minimum Capacity

Maximum Capacity

Card Types

Speed Class

8 GB

512 GB

microSD,

microSDHC,

microSDXC

Class 10

(or higher)

is required

SD/microSD cards can be purchased from Garmin or other retailers.

SD memory cards wear out after they are overwritten a large number of times.

Your device detects memory card errors automatically and alerts you when it is time to format or replace your memory card

To Help Extend the Useful Life of your SD card, Garmin Recommends the Following:

Back up saved footage and format the memory card at least once every 6 months
- Exporting or transferring saved footage, see your device's Owner's Manual
- For Garmin Dash Cam 46, 47, 56, 57, 66W, and 67W see Formatting a microSD Card on a Garmin Dash Cam
- Formatting a microSD card on a Garmin Dash Cam Mini or Garmin Dash Cam Mini 2
- Formatting a microSD Card on a Garmin Dash Cam Tandem
Replace the memory card periodically due to the dash camera recording continuously
Turn off the device when your vehicle is not in use to prevent the dash camera from recording unneeded footage
Use a memory card with a higher storage capacity
- Higher-capacity memory cards are overwritten less frequently and will usually last longer
Use a high-quality memory card with a speed rating of class 10 or higher
Purchase your replacement memory card from a high-quality manufacturer and a reputable vendor

microSD cards not listed MAY work, but performance is not guaranteed.

Recording Modes/Length, Video Resolutions, and File Sizes

microSD Card Recording Modes, Video Resolutions, and File Sizes on the Garmin Dash Cam 56 and Garmin Dash Cam 66W

microSD Card Recording Modes, Video Resolutions, and File Sizes on the Garmin Dash Cam Mini