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🚀 Capture More, Wait Less — Power Your Adventures with Lexar!
The Lexar High-Performance 633x 128GB microSDXC card combines ultra-fast UHS-I speeds up to 100MB/s with a large 128GB capacity, enabling smooth capture and playback of Full-HD, 3D, and 4K videos. Designed for smartphones, tablets, and action cameras, it includes a versatile SD adapter and offers reliable performance backed by a limited lifetime warranty—perfect for professionals and enthusiasts who demand speed and storage on the go.










| ASIN | B012PLSIJ6 |
| Additional Features | High Transfer Speed; Fast Video Capture |
| Best Sellers Rank | #132 in Micro SD Memory Cards |
| Brand | Lexar |
| Color | Black |
| Compatible Devices | Camera, Smartphone, Tablet |
| Customer Reviews | 4.6 4.6 out of 5 stars (13,797) |
| Flash Memory Type | Micro SDXC |
| Global Trade Identification Number | 00843367100279, 00843367110001 |
| Hardware Connectivity | SDXC |
| Item Type Name | Lexar High-Performance MicroSDXC 633X 128GB UHS-I Card with SD Adapter (LSDMI128BBNL633A) |
| Item Weight | 4.54 g |
| Manufacturer | Lexar International |
| Media Speed | 100 Megabytes Per Second |
| Memory Storage Capacity | 128 GB |
| Model Name | FBA_LSDMI128BBNL633A |
| Model Number | LSDMI128BBNL633A |
| Read Speed | 45 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| UPC | 843367119707 843367110001 650590199235 843367100279 |
| 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
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.
B**R
Works as intended.
Works as intended. Great value for the money.
J**.
Slowish writes, but good read speeds for price.
Lexar 32GB micro SD 633x: Writes are slower than expected (18-20MB/sec), but read speeds are consistent at 100ish MB/second, sustained, and as advertised. You'll get better write speeds for this speed class (633x) as you go up in card capacity (64, 128, 256, etc), but this speed should be enough for 1080p videos from a camera phone. Probably not fast enough to write 4k in real time though. You'll need to reformat the card to exFAT or NTFS to store files larger than 4GB in size (like an HD camera phone video, or a game save). It comes formatted as FAT which won't store files larger than 4gb. Maybe the default FAT format works for your needs, but I prefer the flexibility of being able to store larger files if I want. When formatted as exFAT, this card has 29.4GB of usable capacity, which is right on target for 32GB (decimal to binary). Price at $6 for 32GB is good for a quality card.
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.
A**R
Really good for drone
Love good quality
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.
C**A
HIGH QUALITY BRAND
Found the package.. small items get overlooked but yes this is high quality card so I got two instantly. Very nice packaging. No need for scissors but still fancy. Very durable cards. Thanks
M**H
ممتاز
だ**ー
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
No issues, this works well, and is 32 gigs.
M**O
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.
C**N
I use this in my GoPro 5 session. Have had no instances of read failures or write errros. Managed to keep up with the GoPro 's write/read speed. Comes with its own adapter for the laptop.
Trustpilot
5 days ago
4 days ago