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 video—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 video


  • Leverages UHS-I technology for a transfer speed up to 100MB/s (633x)1

  • 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, A1, UHS-I (U1), V10
64GB – 256GB – Class 10, A1, UHS-I (U3), V30
512GB – Class 10, A2, UHS-I (U3), V30


32GB – up to 95MB/s read
64GB – 256GB – up to 95MB/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 Up to 100MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual performance may vary. x=150KB/s.

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

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

Limited lifetime warranty is limited to 10 years from purchase in Germany and regions not recognizing lifetime warranty.

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#
Europe / Middle East 512G LSDMI512BBEU633A
Europe / Middle East 256G LSDMI256BBEU633A
Europe / Middle East 128G LSDMI128BBEU633A
Europe / Middle East 64G LSDMI64GBBEU633A
Europe / Middle East 32G LSDMI32GBBEU633A
Region Capacity Part#
Asia Pacific 512G LSDMI512BBAP633A
Asia Pacific 256G LSDMI256BBAP633A
Asia Pacific 128G LSDMI128BBAP633A
Asia Pacific 64G LSDMI64GBBAP633A
Asia Pacific 32G LSDMI32GBBAP633A
Region Capacity Part#
Japan 512G LSDMI512BBJP633A
Japan 256G LSDMI256BBJP633A
Japan 128G LSDMI128BBJP633A
Japan 64G LSDMI64GBBJP633A
Japan 32G LSDMI32GBBJP633A
Region Capacity Part#
India 128G LSDMI128BBIN633A
India 64G LSDMI64GBBIN633A
India 32G LSDMI32GBBIN633A
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