RAM | 128 GB |
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Lexar High-Performance microSDXC 633x 128GB UHS-I/U3 w/USB 3.0 Reader Flash Memory Card - LSDMI128B1NL633R
Purchase options and add-ons
Brand | Lexar |
Flash Memory Type | Micro SDXC |
Memory Storage Capacity | 128 GB |
Compatible Devices | Tablet, Smartphone |
Special Feature | Class 10 |
About this item
- Premium memory solution for sports camcorders, tablets, and smartphones
- Quickly captures, stores, plays back, and transfers media files, including 1080p full-HD, 3D, and 4K video
- Leverages UHS-I technology for a transfer speed up to 633x (95MB/s) Read and (20 MB/s) Write
- Stores more than 15 hours of HD video; 33,000 photos; or 28,000 songs
- Includes high-speed, Class 10 card and USB 3.0 reader
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This Item ![]() Lexar High-Performance microSDXC 633x 128GB UHS-I/U3 w/USB 3.0 Reader Flash Memory Card - LSDMI128B1NL633R | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $37.90$37.90 | -36% $17.99$17.99 List: $27.99 | -9% $25.60$25.60 List: $27.99 | $18.95$18.95 | -34% $22.99$22.99 List: $34.99 | -20% $39.99$39.99 Typical: $49.99 |
Delivery | Get it Apr 10 - 11 | Get it as soon as Thursday, Apr 4 | Get it as soon as Thursday, Apr 4 | — | — | Get it as soon as Tuesday, Apr 2 |
Customer Ratings | ||||||
Easy to install | 5.0 | 4.7 | 4.7 | 4.8 | 4.6 | 4.7 |
Value for money | 2.7 | 4.5 | 4.5 | 4.6 | 4.3 | 4.5 |
Durability | 4.3 | 4.7 | 4.6 | — | 4.7 | 4.5 |
Storage Capacity | — | 4.6 | 4.6 | 4.8 | 4.5 | 4.6 |
Easy to use | 4.8 | 4.7 | 5.0 | — | — | 4.8 |
Sold By | #1 In Service | Amazon.com | QuickWare | IYOLBEY | Amazon.com | Amazon.com |
flash memory type | Micro SDXC | Micro SD | Micro SDXC | Micro SDXC | Micro SDXC | Micro SD |
memory capacity | 128 GB | 128 GB | 256 GB | 128 GB | 256 GB | 512 GB |
speed class | class 10 | class 10 | class 10 | class 10 | class 10 | class 10 |
write speed | — | 40 mb / s | 130 MB per second | 90MB/s | 120 | — |
read speed | 95 megabytes per second | 100 megabytes per second | 190 megabytes per second | 200 megabytes per second | 160 megabytes per second | — |
From the manufacturer

Capacities:
- 16GB microSDHC (includes SD adapter)
- 32GB microSDHC (includes SD adapter)
- 64GB microSDXC (includes SD adapter)
- 128GB microSDXC(includes SD adapter)
- 256GB microSDXC(includes SD adapter)
Lexar High-Performance 633x microSDHC/microSDXC UHS-I cards
Capture your adventures in HD
Product Highlights:
- Premium memory solution for sports camcorders, tablets, and smartphones
- 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 (633x)*
- Stores more than 36 hours of HD video; 67,600 photos; or 58,100 songs**
- Includes high-speed, Class 10 card and SD adapter
- Verified to be compatible with GoPro cameras (32GB-256GB)
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Capture adventures in HDCalling 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 sports camcorder or an aerial camera, you can quickly capture, play back, and transfer a large amount of the highest quality 1080p full-HD, 3D, and 4K video—making it easy to preserve more than 36 hours of your greatest moments and then relive the action.** |
Do more with your multimediaAlso 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 deviceThe cards are speed rated at Class 10, and leverage UHS-I technology to deliver a transfer speed up to 95MB/s (633x)*, these high-capacity cards give you the speed and space you need to capture, transfer, and share more adventures on the go. |
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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 testedAll Lexar product designs undergo extensive testing in the Lexar Quality Labs, facilities with more than 1,200 digital devices, to ensure performance, quality, compatibility, and reliability. |
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When memory matters, the choice is Lexar.

With a long history in the industry, we know memory. We move quickly with technology to design the solutions you need, and work with device manufacturers to make sure our products are compatible. Then we stand behind them with outstanding warranties and helpful customer service. We’re dedicated to performance, reliability, and expert support, so when it comes to storing the memories that matter, trust Lexar.
Lexar. When Memory Matters.
*Up to 95MB/s read transfer, write speeds lower. Speeds based on internal testing. Actual performance may vary. x=150KB/s.
**Based on 256GB capacity. 12-megapixel JPEG. 128-kbps MP3 audio. HD 1080p@15 Mbps. Actual number of photos, songs, and hours will vary depending on camera/device model, format resolution and compression, usable capacity, and bundled software.
Note: 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.
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Product information
Technical Details
Brand | Lexar |
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Item model number | LSDMI128B1NL633R |
Hardware Platform | PC, Mac |
Item Weight | 0.16 ounces |
Product Dimensions | 4 x 0.42 x 5.5 inches |
Item Dimensions LxWxH | 4 x 0.42 x 5.5 inches |
Department | Womens |
Manufacturer | Lexar International |
ASIN | B012PQKFNI |
Is Discontinued By Manufacturer | No |
Date First Available | July 27, 2015 |
Additional Information
Customer Reviews |
4.6 out of 5 stars |
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Best Sellers Rank | #1,201 in Micro SD Memory Cards |
Warranty & Support
Feedback
Product Description
Capture your adventures in HD. Designed for your sports camcorder, tablet, or smartphone, Lexar High-Performance microSDHC/microSDXC UHS-I cards (633x) make it easy to quickly capture play back, and transfer 1080p full-HD, 3D, and 4K video, 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 633x (95MB/s). The cards also come with a USB 3.0 reader for high-speed file transfer. These premium memory solutions give you the speed and space you need to capture more adventure on the go.
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 analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance, quality and value of the flash memory. For example, they mention it works well, has top quality and is reliable. They appreciate the speedy data transfers and say the price is fantastic. Customers are also impresseded with the versatility, and video quality. However, some customers are disappointed with readability.
AI-generated from the text of customer reviews
Customers like the performance of the flash memory. They say it works well with their GoPro Hero+ LCD, and in Android phones for music, pictures, videos, and documents.
"...Does a great job and worked flawlessly...." Read more
"...used it for dozens of hours of dashcam recording so far and it functions perfectly...." Read more
"these cards work great for me, i have all the sizes except the 200GB which i'm tempted to get...." Read more
"...The specs on the drone say that you can only use a 64gb card, this one works fine and haven't had any problems so far.---Pros---..." Read more
Customers like the quality of the flash memory. For example, they say it's a solid micro SD card, and the USB adapter that comes with it is well constructed. Some mention that the card is fast and reliable, while others say it is not as fast as Sandisk class 10. Overall, most are satisfied with the product's quality.
"Solid micro SD card and a good price. I got this card even though I have never used the brand based off of a review for micro SD cards for a dashcam...." Read more
"...usb 3.0 card reader that's included in these retail packages are top quality, fast and reliable for reading or transferring files...." Read more
"...to my windshield and the RaceChrono Android app, I'm getting hardware corruption errors...." Read more
"...After returning the card to my phone, everything looked good...." Read more
Customers like the speed of the flash memory. They mention that it has fast upload and download speeds that help improve video quality. Some say that the read speed is nice, but it's slow to write to it. Overall, most are satisfied with the performance of the product.
"...the micro SD card to USB 3.0 reader that it comes with for free, its very fast. I downloaded 17 gigs from my card to my computer in about 2 minutes...." Read more
"...card reader that's included in these retail packages are top quality, fast and reliable for reading or transferring files...." Read more
"...-Nothing so farOverall, another great product by Lexar! Fast, reliable and always my first choice when purchasing memory cards...." Read more
"...The speed of the memory is sufficient for the product I use it in to work without any issues itself...." Read more
Customers appreciate the value of the flash memory. They mention that it works great at a really good price, and is well worth buying.
"...recommend this card to anyone needing lots of storage at a very reasonable price in a Micro-SD format." Read more
"Solid micro SD card and a good price. I got this card even though I have never used the brand based off of a review for micro SD cards for a dashcam...." Read more
"Great price and a very fast card! Bought this for my DJI P4 and it works fine!..." Read more
"...power card is just as fast and has proved to be more reliable at a cheaper price." Read more
Customers like the capacity of the flash memory. They mention that it holds over 2000 pictures and hours worth of video. They also say it's very fast and has enough space to keep their day to day shooting. Customers also say that it'll increase your space by moving apps over and that it has room for sideloading movies.
"...I use it in my phone, and it gives me a ton of storage...." Read more
"...if it can be fixed or what went wrong with it but it was saving photos and videos just fine and then one day my new photos started showing up blank..." Read more
"...I was able to store over 2000 pictures and hours worth of video...." Read more
"...It records video, time lapse video, and photos. I can connect the camera via USB to my Mac and the files are read...." Read more
Customers like the versatility of the flash memory. They mention that it's great for GoPro cameras, dashcams, drones, and action cams. Some like the little USB that comes with it.
"Perfect for dashcams...." Read more
"Perfect for my Go Pro Hero 4 Black! I even like the little USB that comes with it!" Read more
"Excellent for dash cams and cameras and very reliable, a lot better than Sandisk." Read more
"Perfect for the GoPro" Read more
Customers are satisfied with the video quality of the flash memory. They mention that it takes great videos, is a good product for recording 4K videos, and captures videos perfectly. Some say that the product is great for 4K drone recording and can store over 2000 pictures and hours worth of video.
"...I was able to store over 2000 pictures and hours worth of video...." Read more
"...It records video, time lapse video, and photos. I can connect the camera via USB to my Mac and the files are read...." Read more
"This card works great for my Phantom Pro. All the videos come in at 4k, very fast upload and download speeds help the video quality quit a bit...." Read more
"...There doesn't seem to be enough room on the 32GB. The quality of the video is amazing. I really love it...." Read more
Customers are dissatisfied with the readability of the flash memory. They mention that it will only read but not write or format. Some customers also report that the card is corrupted and can no longer be read or formatted. They also mention that the memory card stopped being read and cannot be written to or deleted from.
"...Very good service.Original note -Failed to read in new Galaxy S7 after 3 weeks...." Read more
"Both the card and the card reader are good, but the combination cannot be read by BMW NBT iDrive. Therefore, I have no choice but to return it." Read more
"...Bought two for a trip aboard and both exhibited read errors that almost ruined the trip...." Read more
"...It was not readable in A PC, a Card reader nor the Android. I even tried to format again after everything else, failure...." Read more
Reviews with images

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Top reviews
Top reviews from the United States
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I had previously used a Transcend 32GB in the Surface Pro expansion slot and the replacement Lexar card slipped right in and I have had no problems so far.
Initially, shortly after buying my Pro 3 I had used a SanDisk ULTRA 64GB card and had serious problems with it. The Pro 3 would randomly decide whether or not to recognize it and I would constantly have to turn the Pro 3 on and off to get it to recognize the 64GB card. I even took it to our local Microsoft store and they couldn't solve it either. I trolled the Internet looking for a solution. A lot of people were having the same problem with the Pro 3 not reading their cards reliably. The brand of card was almost never cited however.
Then I read on a post that someone had inserted a small shim into the slot along with the card and that seemed to solve their problem. Then I thought I wonder if the SanDisk card is just slightly smaller than other brands since I had the same problem even when I switched to other SanDisk cards. Sure enough the 32GB Transcend card mentioned above worked reliably. Maybe I am unlucky and got a bad batch of SanDisk Cards dimension wise. Because of current storage needs I decided to upgrade to 128GB with this Lexar card.
I would recommend this card to anyone needing lots of storage at a very reasonable price in a Micro-SD format.
I purchased this Lexar microSD (128GB) card to be used in my brand new Droid Turbo 2 phone. I've been quite busy the last couple of days transferring 5,331 songs, tons of digital photos and somewhere around 30 hours of video onto this card from my PC. Ended up being about 80GB worth of data when all was said and done. In an attempt to quicken these transfers, most of them were done using the USB 3.0 reader included with this card. Everything seemed to be working just fine although I was a bit concerned with how hot this card got during large transfers; but it wasn't anything that I considered 'out of the ordinary' as that's to be expected with high-speed flash memory. After returning the card to my phone, everything looked good. The phone registered this card as 119GB of total space and all of the data I transferred was found and accessible.
It was earlier today, as I was laboriously working at correctly categorizing the tons of songs I transferred, when my phone just hung for about 30 seconds or so. When I finally got it to respond again, I noticed that the microSD card appeared to be missing. When I went to the storage settings menu, all it said was that my card was unmounted and could safely be removed. The "Mount SD card" button was ghosted out although the "Erase SD card" button appear to be functional. At this point, I did a hard re-boot of my phone and it powered up with a microSD image displayed on the top display bar that had a message about the card being unmounted and removable. The storage settings were the same as before the reboot.
I then powered the phone down, removed the card and tried to look at it on my PC (using both the included USB 3.0 reader as well as a micoSD-to-SD adapter I had laying around). Interestingly enough, I was able to see the data. More interestingly is that my PC was showing the microSD card as being write-protected. This is interesting in the fact that, unlike a standard SD card, there is no physical way to write-protect a microSD card. My PC, however, was reporting the card as being write protected. The good news is that I was able to copy the data from this "write-protected" card to a folder I created on my PC. The bad news is that I was unable to re-format this microSD card. I initially attempted to format it with the phone, but that didn't work; so I then tried to format it with my PC but my PC said it couldn't be formatted because it was write protected.
So basically what I am stuck with now is a write protected microSD card that can only be read by my PC and is completely un-mountable in the device (my phone) that I bought it for!!! I'm not a happy camper...
Suffice it to say that I have already initiated the exchange procedure here on Amazon. My replacement card is currently scheduled to be arriving between Nov 30 and Dec 3. I'm hoping that I was just unlucky and received a bad card last time although you can rest assured that I will update this review accordingly.
Update 12/1/2015:
Received my replacement card today. Spent the last few days creating a 112GB "image" on my PC containing all the photo, music and video that I wanted to put on my phone. I did a bit more research into these SD cards after having the experience I originally reported for this card (above) and discovered that what actually happened with my first microSD card was most likely a "feature" as opposed to a "bug." Well, a feature launched because of a bug... What these cards do is automatically put the card into an irreversible "write-protect" mode when a write error is detected. The logic being that by making the card read-only, the user can retrieve any data that had been transferred prior to the error; and, since the card no longer will accept writes, no data already on the card can be destroyed due to future write errors. It's basically a data protection technique. The problem with this is that the android operating system on my phone (Droid Turbo 2) refuses to mount a write-protected microSD card which basically makes the card useless for the phone. I as explained above, I needed to use my PC to get the data from the card after it had been set to read-only. Anyway, that's just some useful information to anybody using SD cards in general.
Now, that being said, I've learned that the best use for these cards is for storage of basically already finalized static media files. You don't want to be using SD cards for any purpose that's going to require excessive amounts of writing as each write has the potential for an error that could trigger the feature I just explained. So, that's how I'm using it this time. I finalized all of my media files on my PC prior to transferring the rather large (again, it's 112GB) set of files to this microSD card in one shot. So far, everything's good as I have inserted the darn near full card into my phone and all the files are accessible (my Poweramp app just completed successfully scanning the 5726 songs that I transferred).
Now one difference that I did notice with this replacement card compared to the first card I received is that it didn't get nearly as hot as the old card got during the transfer. I find this interesting as it might point out that my old card was actually defective in some way. The old card got quite hot during data transfers whereas I hardly notice any heat from this replacement card even after dropping 112GB on it at one shot. And the transfer was done using the high-speed USB 3.0 adapter ... still I hardly noticed much of a temperature increase.
I have therefore updated my rating to 4 stars instead of the 1 star I initially reported. I would've given it 5, but my initial experience cost it one...
---Pros---
-Fast
-Works great in my DJI Phantom 3 & 4
-Lots of storage
-Add in the Lexar microSD to lightning reader and you can pull full size images off your drone while out flying
---Cons---
-Nothing so far
Overall, another great product by Lexar! Fast, reliable and always my first choice when purchasing memory cards. I was happy that this worked in my Phantom 3 and my Phantom 4!
Top reviews from other countries

while contacted seller they advised me to send back the item from any reputed Courier service. I was forced to return the item through DTDC at Rs150/- and clearly lost Rs 150/- . who will compensate this money ? Amazon has not even spent a single word on the issue.

書き込み速度は遅くもなくて、普通に使えるので満足しています。
USBのアダプターはとても使いやすくて超便利です、


