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The Lexar High-Performance 633x 64GB microSDXC card delivers up to 100MB/s read speeds with UHS-I technology, supporting Full-HD, 3D, and 4K video recording. Designed for smartphones, tablets, and action cameras, it includes a versatile SD adapter and offers rugged durability with temperature, water, and X-ray resistance. Backed by a limited lifetime warranty, this Class 10, U3, V30, and A1 rated card ensures reliable, high-speed storage for professional-grade media and apps.










| ASIN | B012PLSFH6 |
| Additional Features | Temperature Proof, Water Proof, X Ray Proof |
| Best Sellers Rank | #101 in Micro SD Memory Cards |
| Brand | Lexar |
| Color | Black |
| Compatible Devices | Camera, Smartphone, Tablet |
| Customer Reviews | 4.6 out of 5 stars 13,815 Reviews |
| Flash Memory Type | Micro SDXC |
| Flash Memory Video Speed Class | V30 |
| Global Trade Identification Number | 00843367110063 |
| Hardware Connectivity | microSDXC |
| Item Dimensions D x W x H | 0.43"D x 0.59"W x 0.04"H |
| Item Dimensions L x W | 0.04"L x 0.59"W |
| Item Weight | 4.54 g |
| Manufacturer | Lexar International |
| Media Speed | 70 MB/s |
| Memory Storage Capacity | 64 GB |
| Mfr Part Number | LSDMI64GBBNL633A |
| Model Name | Blue |
| Model Number | LSDMI64GBBNL633A |
| Read Speed | 95 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| UPC | 843367110063 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime |
| Warranty Type | Limited |
J**N
Great Cards
Nice cards. Very fast and test put great. While I have had them only for a few days, they are better than other small 32 Gen cards
M**O
Lexar Storage Is Reliable
I've used Lexar micro SD cards without failure. They are reliable and compatible for all my cameras. The transfer speed is optimal and storage capacity is sufficient my use. They are easy to install because they always fit properly. Recommended.
J**E
Good, inexpensive 32GB Micro SD card.
I received this SD card on time and with no issues. Placed it in my camera, formatted it and started shooting pictures. Forks fine for what I am using it for.
D**B
Preliminary tests: Good transfer rates with large files. Really poor rates with small files.
I've only had this microSD for a day, but so far so good. The first thing I've done is used the H2testw 1.4 app to write to and verify the entire drive. I highly recommend this tool for verifying SD storage within the return period and certainly before you start putting important data on the drive! Here are the results of that test: Warning: Only 473842 of 473844 MByte tested. Test finished without errors. You can now delete the test files *.h2w or verify them again. Writing speed: 49.8 MByte/s Reading speed: 78.1 MByte/s H2testw v1.4 The above data rates are an average of writing and reading the entire available ~474GB or the drive. The write speed of writing the 463 ~1GB test files works out to about 520x instead of the 633x. I can live with that! Minor gripes: The performance of this SD when writing and reading can be really bad. I'll update this review with details on how bad later. I took from the 16th to the 30th for this microSD to arrive even though I bought it with Prime two day shipping. Amazon did give me options to cancel the order though. I'll update this review as I use this drive more.
A**R
Perfect on Dash Cam
Perfect no problem with my car dash camera comparing to other brands
B**6
Definitely will buy again
I ordered this not even 40 hours ago and its already here and it cane with an adapter that allows you to put it in a computer or laptop for viewing and thats just classy in my opinion thanks to all parties involved ✌🏼
D**L
Good for dahscam
I installed this Lexar microSD card in my dash cam and it has been working great. It is fast enough for continuous recording and handles video without any issues. Setup was easy and it worked right away. For the price, this card offers very good performance and reliability. Overall, it does exactly what I need it to do and I would recommend it for dash cams or similar devices.
J**L
Worked great
I needed to replace the micro sd cards in my GPS and an internet radio. I popped the cards, redownloaded the maps, and updated the firmware on the internet radio. The Lexar cards worked perfectly.
M**H
ممتاز ويعمل بكفاءة
ممتاز
S**O
Good Deal & Value On Bulk Storage
I have been using Lexar SD cards for awhile now, in cellphones, GoPro and SLR cameras as well as media players and have to say I am very happy with the performance. As long as you can get - or make sure - it's a true, legitimate Lexar card, you really can't go wrong with the brand. This was a very good price for a 256GB microSD card, and now half loaded with media and such in my phone, I won't be worrying about storage for time to come. Card is fairly fast - moving large files and music will always take more time no matter the rated speeds - but doesn't heat up, and am expecting the same longevity out of it as I have found with previous Lexar cards. I would definitely recommend the card and brand to anyone wanting some good, reliable bulk storage in any of their electronics. If I run into any problems or cause to change this opinion, I will update this review at that time.
だ**ー
Switchできっちり使えています。
輸入ものなので信用している風見鶏さんで購入しました。 初期不良もなく、メモリカード間のファイル移動もエラーなしで終了しています。 耐久性はまだ2ヶ月足らずなので未評価ですが、速度とコスパは非常に満足です。 SwitchはソフトをほとんどDLで購入しているので512GBの容量は頼もしいですね。 ベンチの結果は以下の通りでした。 Sequential Read (Q= 32,T= 1) : 92.443 MB/s Sequential Write (Q= 32,T= 1) : 75.810 MB/s Random Read 4KiB (Q= 32,T= 1) : 9.319 MB/s [ 2275.1 IOPS] Random Write 4KiB (Q= 32,T= 1) : 3.937 MB/s [ 961.2 IOPS] Sequential Read (T= 1) : 91.657 MB/s Sequential Write (T= 1) : 75.922 MB/s Random Read 4KiB (Q= 1,T= 1) : 8.907 MB/s [ 2174.6 IOPS] Random Write 4KiB (Q= 1,T= 1) : 3.673 MB/s [ 896.7 IOPS]
M**T
Works as expected, decent card
No issues, this works well, and is 32 gigs.
M**O
Buona micro sd, prezzo eccessivo per il 2025
Presa per il registratore audio, non ho fatto prove di velocità ma fa egreggiamente il suo dovere. Per il 2025 il prezzo è eccessivo ma è nell' elenco di quelle ufficialmente supportate dal registratore, perciò l' ho presa comunque.
Trustpilot
5 days ago
3 weeks ago