Colour | Black |
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Special feature | Micro SDHC |
Read speed | 100 Megabytes Per Second |
Warranty type | Limited |
Write speed | 133x |
Hardware interface | microSDHC |
Secure digital association speed class | Class 10 |
Manufacturer | Lexar Co., LTD |
UPC | 843367110629 |
Global Trade Identification Number | 04895217900375, 00843367110629 |
Product Dimensions | 0.4 x 10.3 x 14 cm; 13 g |
Item model number | LSDMI32GBBEU633A |
Form Factor | MicroSD |
RAM Size | 32 GB |
Hard Drive Size | 32 GB |
Hard Disk Description | memory card |
Are Batteries Included | No |
Item Weight | 13 g |
Guaranteed software updates until | unknown |
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Lexar High-Performance 633x 32GB Micro SD Card, microSDHC UHS-I Card w/ SD Adapter, Up to 100MB/s Read, TF Card for Smartphones, Tablets, and Action Cameras (LSDMI32GBBEU633A)
We don't know when or if this item will be back in stock.
Brand | Lexar |
Model name | LSDMI32GBBEU633A |
Flash memory type | Micro SDXC |
Memory storage capacity | 32 GB |
Compatible devices | Tablet, Camera, Smartphone |
About this item
- 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 95MB/s
- Includes high-speed, Class 10 card and SD adapter
- 10-year limited product support for card and one-year for adapter
Top Brand
Lexar

94% positive ratings from 5K+ customers

50K+ recent orders from this brand
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From the brand

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For more than 20 years, Lexar has been trusted as a leading global brand of memory solutions – so we know first-hand just how quickly data is transforming our world.
Our award-winning lineup performs second-to-none and includes memory cards, USB flash drives, readers, and solid-state drives for retail and OEM customers.
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How did Lexar get started and develop?
Lexar is the first brand to create the standard for read and write speed on CF cards as an innovator of digital storage products. In August 2017, Lexar was acquired by Longsys, a company specializing in storage products and market service R&D.
What makes Lexar professional in the storage industry?
Lexar has been manufacturing high-end image memory cards for the past 23 years. Since its establishment, Lexar has worked diligently to bring unparalleled value to our customers.
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How did Lexar keep high quality?
The Lexar Quality Labs are a group of testing facilities where all Lexar memory cards, card readers, and USB flash drives undergo extensive testing to ensure performance, quality, compatibility, and reliability.
Why is the actual available capacity different?
Due to different capacity algorithms and partial capacity are used for system file, management, and performance optimization, so the actual available capacity may be less than the identifying capacity.
Compare with similar items
This item ![]() Lexar High-Performance 633x 32GB Micro SD Card, microSDHC UHS-I Card w/ SD Adapter, Up to 100MB/s Read, TF Card for Smartphones, Tablets, and Action Cameras (LSDMI32GBBEU633A) | Recommendations | |||||
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Price | Currently unavailable. | £10.99£10.99 | -14% £7.63£7.63 RRP: £8.90 | -30% £8.99£8.99 RRP: £12.79 | £9.99£9.99 | -14% £5.99£5.99 RRP: £6.99 |
Delivery | — | Get it as soon as Saturday, May 17 | Get it as soon as Saturday, May 17 | — | Get it as soon as Saturday, May 17 | Get it as soon as Saturday, May 17 |
Customer Ratings | ||||||
Sold by | — | YISAVE TECHNOLOGY (HK) | PC Gaming Cases UK | Amazon | YISAVE TECHNOLOGY (HK) | Netac Official Store |
flash memory type | Micro SDXC | Micro SD | Micro SDXC | Micro SD | Micro SDHC | Micro SD |
memory capacity | 32 GB | 64 GB | 64 GB | 32 GB | 32 GB | 32 GB |
speed class | class 10 | class 10 | class 10 | class 10 | class 10 | class 10 |
write speed | 133x | 100 | 0.4 MB/s - 140 MB/s | 40 | 10 MB/s | 10 |
From the manufacturer

Lexar High-Performance 633x microSD UHS-I Cards
High-speed performance for your on-the-go content

Lexar High-Performance 633x microSD UHS-I Cards
High-speed performance for your on-the-go content
Designed for your smartphone, tablet, or action camera, Lexar High-Performance 633x microSDHC/microSDXC UHS-I cards let you quickly capture, playback, and transfer 1080p Full-HD, 3D, and 4K video (1), as well as the highest-quality movies, photos, and songs. These high-capacity, Class 10 cards leverage UHS-I technology to deliver high-speed performance—up to 100MB/s (2). This premium memory solution includes an SD adapter and provides the speed and space you need to capture more adventure on the go.
- Premium memory solution for smartphones, tablets, or action cameras
- Quickly captures, plays back, and transfers media files, including Full-HD, 3D, and 4K video (1)
- Leverages UHS-I technology for a transfer speed up to 100MB/s (2)
- Includes high-speed, Class 10 card and SD adapter
Capture adventures in HD
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 (1)—making it easy to store your greatest moments and then relive the action.
Do more with your multimedia
Also great for use with your smartphone or tablet, 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 (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.

(1) 4K video Based on 64GB, 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.
Lexar is not liable for any loss of data or images.
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.
Troubleshooting steps:
- Verify if the issue is with the card or device
- To verify the issue is related to the card and not the device, we recommend you try using the card on your computer with the adapter. You also are supposed to try the card on another computer or a different port on your computer if possible.
Note:
- If using a company computer, ensure your IT department does not block saving files to removable drives.
- If the above steps did not solve the problem please back up your data and find help from us.
Product information
Technical Details
Additional Information
ASIN | B07DGC64BM |
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Customer Reviews |
4.6 out of 5 stars |
Best Sellers Rank | 82,952 in Computers & Accessories (See Top 100 in Computers & Accessories) 787 in Micro SD Memory Cards |
Date First Available | 21 Mar. 2018 |
Warranty & Support
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Lexar High-Performance 633x 32GB Micro SD Card, microSDHC UHS-I Card w/ SD Adapter, Up to 100MB/s Read, TF Card for Smartphones, Tablets, and Action Cameras (LSDMI32GBBEU633A)
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Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the micro SD card works well in various devices, including video drones and Nintendo Switch, and appreciate its fast read/write speeds and storage capacity for storing photos and 4K videos. The card receives positive feedback for its quality, with one customer noting it's going strong after several months of use, and its compatibility with different devices, including phones and cameras. Customers consider it a great value for the amount of storage provided.
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Customers report that the micro SD card works well in various devices, including video drones, tablets, and Nintendo Switch.
"...It works seamlessly with my phone, tablet, and even my camera, providing smooth performance with no lag...." Read more
"...for my dash cam and it’s been spot on, smooth recording, no lag, no issues...." Read more
"...It works well enough for my needs, music, lots of albums, hundreds and hundreds of the blighters all in one place...." Read more
"...It worked perfectly with my laptop, PC, android tablet and her phone, giving no problems whatsoever...." Read more
Customers find the micro SD card to be a great value, offering good storage capacity for its price.
"...Great value for the price!" Read more
"...Great value for the price, does exactly what I needed." Read more
"...instantly on my new phone using the Lexar SD card, so very happy with the price and performance." Read more
"Great price for large storage. Can handle a large amount of 4k video. Does come already formatted to fat32 as you would expect for a plug and play...." Read more
Customers find the micro SD card highly reliable and sturdy, with one customer noting it remains in perfect condition after several months of use.
"...It’s also durable—I’ve used it in different conditions without any issues. Great value for the price!" Read more
"...If you need a dependable and high-performance microSD card, this is a fantastic option. Highly recommended!" Read more
"Always nice and durable. I’ve own same brand SD cards for more than 5 times and all working fine" Read more
"...The product is fine otherwise, just not feeling the value for money if I can get one for half the price and double the performance...." Read more
Customers praise the SD card's performance, noting its fast read/write speeds, quick file loading, and efficient image processing.
"This microSD card is fast, reliable, and perfect for expanding storage on my devices...." Read more
"Used this for my dash cam and it’s been spot on, smooth recording, no lag, no issues...." Read more
"...It's pretty fast too, and the images load up quickly from the gallery...." Read more
"...With UHS-I technology, it delivers fast read speeds, making it perfect for 4K video recording, gaming, and mobile storage...." Read more
Customers appreciate the storage capacity of this micro SD card, which provides lots of space for music and recordings, and is ideal for storing photos and 4K videos.
"This microSD card is fast, reliable, and perfect for expanding storage on my devices...." Read more
"...It works well enough for my needs, music, lots of albums, hundreds and hundreds of the blighters all in one place...." Read more
"...' these days, but it still astounds me you can get this much storage in such a small space...." Read more
"...read speeds, making it perfect for 4K video recording, gaming, and mobile storage...." Read more
Customers find the memory card durable and well-made, with one customer noting it passes tests with flying colors.
"...This is a nice card if you just need to get more space in an older device, it's very compatible." Read more
"Always nice and durable. I’ve own same brand SD cards for more than 5 times and all working fine" Read more
"...Maybe it was just a bad batch but I don't recommend this SD" Read more
"Great card works well in my DJI action 4" Read more
Customers find this micro SD card to be great, with one customer noting it performs as well as full-sized SD cards, and another mentioning it works well with Nintendo Switch devices.
"...Fully compatible and even comes with an adapter which is a nice bonus. Great value for the price, does exactly what I needed." Read more
"...The included SD adapter adds versatility, allowing me to use it in my laptop and DSLR as well...." Read more
"A good micro SD card for a Nintendo switch. I haven’t noticed any slow write speeds compared with the other cards I’ve got in other units...." Read more
"...The A1 rating ensures smooth app performance, and the included SD adapter adds versatility...." Read more
Customers find that the micro SD card fits well in various devices, including phones and cameras, with one customer noting it's ideal for GoPros and drones.
"...Portable convenience - Its compact size and easy-to-use design make it ideal for travel and on-the-go storage needs. Cons:..." Read more
"...Good quality, easy to put in your phone. Good storage for the price (lightning deal)" Read more
"...It slipped into my tablet with ease, finishing with a pleasing click...." Read more
"...A decent size at a budget price. Definitely well recommended." Read more
Reviews with images

Big storage.
Top reviews from United Kingdom
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- Reviewed in the United Kingdom on 10 March 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseThis microSD card is fast, reliable, and perfect for expanding storage on my devices. It works seamlessly with my phone, tablet, and even my camera, providing smooth performance with no lag. The read and write speeds are impressive, making file transfers quick and efficient. It’s also durable—I’ve used it in different conditions without any issues. Great value for the price!
- Reviewed in the United Kingdom on 11 April 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseUsed this for my dash cam and it’s been spot on, smooth recording, no lag, no issues. Fully compatible and even comes with an adapter which is a nice bonus.
Great value for the price, does exactly what I needed.
- Reviewed in the United Kingdom on 15 April 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseWell 64gb isn’t a small amount of storage/memory but then again it’s not the biggest by a long way! It works well enough for my needs, music, lots of albums, hundreds and hundreds of the blighters all in one place. I’m always happy when I can listen to my favourite albums on the move but this is ridiculous because I’d have to drive from the UK to Australia and probably back to be able to listen to all of them but by the Lord Harry I’m prepared to give it a darn good go. Gooday mate.
- Reviewed in the United Kingdom on 21 April 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseHaving just replaced my mobile phone I needed another SD card as I wanted to keep my old phone as a working spare. Having previously used Sandisk & Kingston I thought I'd try Lexar as it was a few pounds cheaper, and I was not disappointed. It may or may not match more expensive cards in terms of theoretical maximum data transfer speeds, but everything works instantly on my new phone using the Lexar SD card, so very happy with the price and performance.
- Reviewed in the United Kingdom on 26 March 2025Style Name: 633x microSize Name: 128GBVerified PurchaseThe Lexar 633x 128GB Micro SD Card is an excellent choice for anyone needing reliable and high-speed storage. With UHS-I technology, it delivers fast read speeds, making it perfect for 4K video recording, gaming, and mobile storage. I’ve used it in my action camera and smartphone, and it performs flawlessly—no lag or buffering. The included SD adapter adds versatility, allowing me to use it in my laptop and DSLR as well. The build quality feels solid, and it’s been incredibly reliable. If you need a dependable and high-performance microSD card, this is a fantastic option. Highly recommended!
- Reviewed in the United Kingdom on 6 May 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseAlways nice and durable. I’ve own same brand SD cards for more than 5 times and all working fine
- Reviewed in the United Kingdom on 17 January 2025Style Name: 633x W/O AdapterSize Name: 64GBVerified PurchaseI got this for my wife's phone to add some photo storage capacity.
It worked perfectly with my laptop, PC, android tablet and her phone, giving no problems whatsoever. It's pretty fast too, and the images load up quickly from the gallery.
64Gig is becoming 'entry level' these days, but it still astounds me you can get this much storage in such a small space. This is a nice card if you just need to get more space in an older device, it's very compatible.
- Reviewed in the United Kingdom on 19 April 2025Style Name: 633x microSize Name: 256GBVerified PurchaseGreat price for large storage. Can handle a large amount of 4k video. Does come already formatted to fat32 as you would expect for a plug and play. Compatible with most micro sd equipment.
Top reviews from other countries
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Mar🐋Reviewed in Spain on 11 January 2025
5.0 out of 5 stars Perfecto para grabar vídeo 4K, fiable en uso intensivo
Style Name: 633x microSize Name: 128GBVerified PurchaseThe media could not be loaded.
Mar🐋Perfecto para grabar vídeo 4K, fiable en uso intensivo
Reviewed in Spain on 11 January 2025
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NecmettinReviewed in Turkey on 20 May 2019
5.0 out of 5 stars Sorunsuz
Style Name: 633xSize Name: 32GBVerified PurchaseBu kartı önceki hafıza kartımın fotoğraf makinesinde sürekli hafıza kartı hatası vermesi sebebiyle aldım. Bu kartı aldıktan sonra hafıza kartı sorunu kalmadı ayrıca eski karta göre çok daha hızlı okuma yazma değerlerine sahip olduğu için iki çekim arasındaki süre de kısaldı.
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Kevin.JReviewed in France on 2 April 2025
5.0 out of 5 stars Carte microSD performante et polyvalente
Style Name: 633x microSize Name: 128GBVerified PurchaseJ'ai récemment acheté deux cartes microSD Lexar 633x de 128 Go pour étendre le stockage de mon smartphone et de ma caméra d'action, et je suis globalement satisfait de leurs performances.
La carte est classée UHS-I avec une vitesse de transfert allant jusqu'à 95 Mo/s en lecture, ce qui facilite le transfert rapide de fichiers volumineux. Cependant, la vitesse d'écriture est un peu plus modeste, atteignant environ 45 Mo/s. Cela reste suffisant pour la plupart des usages quotidiens, y compris l'enregistrement de vidéos en Full HD et en 4K.
Après plusieurs semaines d'utilisation, la carte s'est révélée fiable, sans corruption de données ni problèmes de compatibilité. Elle est fournie avec un adaptateur SD, ce qui facilite son utilisation avec des appareils acceptant des cartes SD standard.
En résumé, la carte microSD Lexar 633x de 128 Go offre un bon rapport qualité prix pour ceux qui cherchent à étendre le stockage de leurs appareils avec une solution fiable et performante.
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Tarkan VARERReviewed in Turkey on 25 April 2025
5.0 out of 5 stars hızı çok iyi
Style Name: UHS-II Gold SeriesSize Name: 256GBVerified Purchaseçok iyi
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Willian KorosakiReviewed in Brazil on 24 August 2024
5.0 out of 5 stars Excelente
Style Name: PlaySize Name: 1TBVerified PurchaseMuito bom, o vendedor deu um ótimo atendimento, funcionou perfeitamente no Nintendo Switch.
Willian KorosakiExcelente
Reviewed in Brazil on 24 August 2024
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