VIOFO 256GB Industrial Grade microSD Card, U3 A2 V30 High Speed Memory Card with Adapter, Support Ultra HD 4K Video Recording, for Dash Cam, Action Camera, Android Smart Phones, Tablets, Games

Excellent quality.

Picked up this 256GB SD card for my dash cam and it’s been working flawlessly. It handles continuous recording without any issues, and the large capacity means I don’t have to worry about overwriting footage too soon. Playback is smooth, and no corrupted files so far. Great choice if you want solid performance and lots of space for driving footage.

The best micro SD for Viofo dashcams. Easy to install, I’m sure they will release a 1 TB option sooner or later. I have had no problems since installing, and even though it can be self-installed, I would recommend finding an installer. The recording and video quality are on point.

Overview When it comes to 4K dash cams like my VIOFO A229, the memory card is usually the weakest link. I’ve had "high-speed" consumer cards fail in the past due to the constant heat and overwriting cycles. I decided to stick with the VIOFO Industrial Grade 256GB card to ensure total compatibility, and it has been flawless. Most people don’t realize that dash cams write and erase data constantly, which generates significant heat. This "Industrial" version is rated for those high-endurance cycles. Since installing it, I haven’t had a single "Memory Card Error" or sluggishness when trying to view footage via Wi-Fi—something I frequently experienced with cheaper cards. Compatibility The biggest selling point here is the lack of "compatibility anxiety." Using the VIOFO-branded card removes that guesswork. It was recognized immediately by my A229, and the formatting process took seconds (literally 3 seconds) Performance 4K Reliability: It handles the high bitrate of 4K 30/60fps without dropping frames. Heat Resistance: Even with the car sitting in the sun, the card hasn’t glitched or corrupted any files. (I live in Arizona, no issues so far) Included Adapter: The microSD-to-SD adapter is a nice inclusion for when I want to pull the card and view footage on my laptop. Pros: *Guaranteed Compatibility: No more "Card Error" beeps from the dash cam. *High Endurance: Built for the 24/7 loop recording environment. *Fast Read/Write: Handles Ultra HD 4K footage without buffering. Cons: *Price: It’s slightly more expensive than a standard card. Final Verdict If you are investing in a high-end dash cam, don't cheap out on the storage. This card offers the peace of mind that your footage will actually be there when you need it. It’s a mandatory upgrade for the A229 series.

Funciona perfecto con la dashcam

This is card is purpose built and works well paired with my Viofo dashcam.