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Small black microSDXC card with matching SD adapter

Lexar

Lexar LSDMI128BBNL633 128GB microSDXC 633x memory card

SKU CH-RCS5-XN0SP MPN LSDMI128BBNL633

Stores 128 GB of 4K video and photos with UHS-I U1 Class 10 speed up to 100 MB/s and includes an SD adapter

  • Total capacity128 GB
  • Memory card formatMicro SDHC
  • Speed classClass 10
  • Max read speed100 MB/s
  • Product typeMicroSDXC
  • Captures 1080p Full HD and 4K video smoothly with UHS-I U1 Class 10 rating
  • Transfers files at up to 100 MB/s read speed for quick offloading
  • Stores hours of footage and thousands of photos in 128 GB capacity
  • Includes SD adapter for direct laptop or desktop card-reader access
  • Built by Lexar with lifetime limited warranty for long-term reliability

128 GB microSDXC card for mobile capture

This Lexar microSDXC card provides 128 GB of storage for smartphones, tablets and action cameras. It is rated UHS-I U1 Class 10 to sustain the write speeds needed for continuous 1080p and 4K video recording. The 633x rating indicates a maximum read speed of 100 MB/s for faster offloading.

UHS-I U1 Class 10 speed rating

The Class 10 and U1 markings guarantee a minimum sequential write speed of 10 MB/s. This is the single specification that determines whether the card can keep up with full HD and 4K video streams without dropped frames. Slower cards without this rating may stall during high-bitrate recording.

Included SD adapter enables desktop use

The bundled SD adapter lets you insert the microSDXC card into full-size SD slots on laptops, card readers or cameras. This removes the need for a separate USB reader when transferring files to a computer. Without the adapter the card only fits microSD slots.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $32.99
Cheaper than about 61% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $257.73 per TB
Cheaper than about 68% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameLexar
Model nameLSDMI128BBNL633A
Part numberLSDMI128BBNL633A
Total capacity128 GB
Product typeMicroSDXC
Performance
Speed classClass 10
Max read speed100 MB/s
Storage
Memory card formatMicro SDHC
Size & build
Shipping weight0.45 kg
Package size140 × 102 × 11 mm

Questions about this item

What does the 633x rating mean for everyday use?

The 633x rating corresponds to a maximum read speed of 100 MB/s, allowing fast offload of 4K video and large photo libraries to a computer.

How does the UHS-I U1 Class 10 interface affect write performance?

UHS-I U1 Class 10 guarantees a minimum sustained write speed of 10 MB/s, sufficient for 1080p Full HD and 4K video recording without dropped frames.

Will the included SD adapter let me use this card in a full-size SD slot?

Yes, the supplied SD adapter converts the microSDXC card to standard SD dimensions for use in laptops, card readers, and cameras with full-size slots.

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