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What size memory card is suitable for a dash cam?

3 Answers

McPhoebe

09/03/25 2:28am

A 32GB memory card is generally suitable for a dash cam, as it can store more high-quality footage. Here is some relevant knowledge about dash cams: 1. Definition of a dash cam: A dash cam is an instrument that records images, sounds, and other related information during vehicle travel. After installation, it can record the entire process of driving, including video and audio, which can serve as evidence in traffic accidents. 2. Functions of a dash cam: It helps protect the legal rights of drivers. In case of a collision with pedestrians crossing the road or cyclists and motorcyclists, there is a risk of extortion. Having a dash cam can provide drivers with valid evidence to support their case.

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AlejandroDella

09/15/25 4:13am

The choice of memory card size for a dash cam depends on your recording duration and video quality. 1080p HD recording consumes approximately 1 to 2GB of space per hour. Therefore, a 64GB card can store 30 to 60 hours of footage, which is sufficient for daily commutes. However, a 128GB card is more recommended because driving 6 hours a day consumes about 10GB, allowing the 128GB card to save over a week's worth of recordings, ensuring important events are less likely to be overwritten. I suggest purchasing a fast UHS-I compatible card to ensure smooth recording, and avoid overly large capacities like 256GB as some devices may not support them, wasting money. Opt for reliable brands like SanDisk or Kingston, and regularly check the card's health with software to prevent damage and maintain driving safety.

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DeFrank

10/29/25 4:52am

What size memory card is suitable for a dash cam? From the perspective of an ordinary car owner who has driven for several years, 128GB offers the best balance. High-definition videos consume storage quickly, and 64GB is a bit too small—it fills up in just a day or two, overwriting crucial footage from the previous day. A 128GB card can store several days' worth of content, saving you the hassle of clearing the card daily. Avoid cards that are too slow, as they can cause lag; a Class 10 speed is sufficient. In terms of price, 128GB is also cost-effective, lasting long for around a hundred bucks. Remember to format and back up regularly to prevent losing important clips, adding peace of mind to your drive.

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