Lexar® High-Performance 633x microSDHC™/microSDXC™ UHS-I Cards
up to 100MB/s read, 70MB/s write
High Transfer Speed

High Transfer

Fast Video Capture

Fast Video

Feature A1/A2 Class

A1/A2 Class

Wide Range Capacity

Wide Range


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.

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.

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  • Premium memory solution for smartphones, tablets, or action cameras


  • Quickly captures, plays back, and transfers media files, including 1080p full-HD, 3D, and 4K video1


  • Leverages UHS-I technology for a transfer speed up to 100MB/s (633x)2

  • Includes high-speed, Class 10 card and SD adapter


  • Limited lifetime warranty for card and one-year limited
    warranty for adapter



32GB – 512GB

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

Operating Temperature

0° to 70° C (32°F to 158°F)

Storage Temperature

-25° to 85° C (-13°F to 185°F)

Dimension (W x L x H)

11mm x 15mm x 1 mm / 0.43” x 0.59” x 0.04”

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.

Lexar is not liable for any loss of data or images.

Product Numbers
Region Capacity Part#
North America 512G LSDMI512BBNL633A
North America 256G LSDMI256BBNL633A
North America 128G LSDMI128BBNL633A
North America 64G LSDMI64GBBNL633A
North America 32G LSDMI32GBBNL633A
Region Capacity Part#
Global 512G LSDMI512BB633A
Global 256G LSDMI256BB633A
Global 128G LSDMI128BB633A
Global 64G LSDMI64GBB633A
Global 32G LSDMI32GBB633A
Region Capacity Part#
China 512G LSDMI512BBCN633A
China 256G LSDMI256BBCN633N
China 128G LSDMI128BBCN633N
China 64G LSDMI64GBBCN633N
China 32G LSDMI32GBBCN633N
Region Capacity Part#
Japan 512G LSDMI512BBJP633A
Japan 256G LSDMI256BBJP633A
Japan 128G LSDMI128BBJP633A
Japan 64G LSDMI64GBBJP633A
Japan 32G LSDMI32GBBJP633A
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