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Lexar High-Performance 633x microSD Card

Capture more of your favorite content

Designed for your smartphones, tablets, or action cameras, this Lexar microSD card captures your life's every precious moment without missing a frame. It's also Application Performance Class 2 (A2) rated to fully support apps and games on today's mobile devices. Capacity up to 512 GB captures and stores more of your favorite content, and read speed up to 100MB/s lets you transfer that footage fast. Includes SD adapter for easy file transfer.


Capture adventures in HD

Calling all adventure seekers and adrenaline junkies! Make the most of your adventures in the great outdoors by leveraging the power and performance of these cards. So, whether you’re shooting the action with your action camera or an aerial camera, you can quickly capture, playback, and transfer a large amount of the highest quality 1080p full-HD, 3D, and 4K video1—making it easy to store your greatest moments and then relive the action.


Do more with your multimedia

Also great for use with your tablet or smartphone, the cards make it easy to quickly download or save all your favorite media files, including the highest-quality movies, photos, and songs.


Get more from your device

The cards are speed rated at Class 10, and leverage UHS-I technology to deliver a transfer speed up to 100MB/s (633x)2. These high-capacity cards give you the speed and space you need to capture, transfer, and share more adventures on the go.


Easily transfer files with included adapter

For added functionality, the cards also include an SD adapter, making it easy to transfer files between your devices.


Rigorously tested

All Lexar product designs undergo extensive testing in the Lexar Quality Labs, facilities with more than 1,100 digital devices, to ensure performance, quality, compatibility, and reliability.

Speed Class

32GB – Class 10, U1, V10, A1

64GB – Class 10, U3, V30, A1

128GB – Class 10, U3, V30, A1

256GB – Class 10, U3, V30, A1

512GB – Class 10, U3, V30, A2


32GB – 64GB – up to 100MB/s read

128GB – 256GB – up to 100MB/s read, up to 45MB/s write

512GB – up to 100MB/s read, up to 70MB/s write

1. 4K video Based on 128GB, 256GB, and 512GB capacities only.

2. Up to 100MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual performance may vary. x=150KB/s.

Product appearance, performance, software offerings, and packaging may vary depending on ship date and available inventory.

Actual usable memory capacity may vary. 1GB equals 1 billion bytes.