Lexar microSDXC 633x UHS-I/A1/U3/10 R95/W45MB (V30) 128GB

Lexar microSDXC 633x UHS-I/A1/U3/10 R95/W45MB (V30) 128GB – Up to 95MB/s read for HD, 3D and 4K video

Capture and transfer high-quality media with the Lexar microSDXC 633x 128GB card. Designed for sports camcorders, tablets, and smartphones, this card uses UHS-I technology to deliver high-speed performance for recording and playback. It supports Full-HD, 3D, and 4K video workflows while providing ample storage for photos, music, and long HD recordings.

Key features and benefits

• 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 (up to 95MB/s read).*
• Stores more than 15 hours of HD video; 33,000 photos; or 28,000 songs** on the 128GB capacity.

Performance details

The card achieves read speeds up to 95MB/s based on internal testing. Write speeds are lower and vary by capacity and usage scenario. These speed characteristics help you capture high-resolution video and move large media files more quickly to your computer or device.

Additionally, the 128GB card is specified with Class 10 performance and the UHS-I U3 speed class, along with A1 application performance and V30 video speed class in the matching capacity range. These class ratings indicate suitability for sustained video recording and improved app performance when used in compatible devices.

Capacities and speed table

*Up to 95MB/s read transfer; write speeds are lower. Speeds are based on internal testing. Actual performance may vary. x = 150KB/s.

**Storage estimates are based on the 128GB capacity using the following assumptions: 12-megapixel JPEG photos, 128-kbps MP3 audio, and HD video encoded at 15 Mbps. The actual number of photos, songs, or hours of video will vary depending on camera or device model, file format, resolution and compression, usable capacity, and bundled software.

Use cases

Use this microSDXC card to record action footage with a sports camcorder, expand storage on a tablet, or save more photos and video on a smartphone. It supports recording and playback of large media files, making it suitable for 1080p Full-HD, 3D, and 4K video capture where sustained write performance and reliable read speeds matter.

FAQ

Question: Which devices work well with this Lexar microSDXC card?
Answer: The card is designed for sports camcorders, tablets, and smartphones. It fits devices that accept microSDHC/microSDXC cards and benefit from UHS-I speed.

Question: What video resolutions can I record with the 128GB card?
Answer: You can capture 1080p Full-HD, 3D, and 4K video according to the card's stated support for those formats. Sustained write speed requirements depend on your camera and recording settings.

Question: What read and write speeds should I expect?
Answer: The card offers read speeds up to 95MB/s based on internal testing. Write speeds are lower and depend on capacity; for the 64GB–256GB range, write speeds are specified up to 45MB/s. Actual speeds vary by device and usage. Note: x = 150KB/s.

Question: How much media can 128GB hold?
Answer: For 128GB, estimates are more than 15 hours of HD video, 33,000 photos, or 28,000 songs based on standard assumptions (12MP JPEG, 128-kbps MP3, HD at 15 Mbps). Your results may differ depending on camera settings, file formats, and usable capacity.

Question: What do the class ratings (A1, U3, V30) mean for me?
Answer: These class ratings indicate the card’s intended performance tiers: Class 10 for general speed, U3 and V30 for sustained video recording at higher resolutions, and A1 for improved app performance on compatible devices. They help you choose the right card for video capture and application usage scenarios.