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Storage

Best microSD Cards for Dash Cams

The SD card is the most important accessory and the one most often bought wrong. The right card records reliably for years; the wrong one fails quietly.

Choose high-endurance

Dash cams write continuously, a workload ordinary cards are not built for. Cards labeled high-endurance or specifically for dash cams and surveillance are designed to survive constant overwriting.

Mind the speed class

Look for a U3 or V30 rating so the card keeps up with 4K recording without dropping frames. Slower cards can cause errors or gaps.

Pick a sensible size

128GB suits most single-channel setups; go larger for dual channels or a longer parking-mode buffer. Stay within the maximum capacity your camera supports.

This guide is general information to help you use your gear, not professional, legal, or insurance advice. Rules vary by region — check your local regulations where relevant.