256GB Lexar® High-Performance 633x microSDXC™ UHS-I Card – Up to 100MB/s Read, 45MB/s Write (LSDMI256BB633A)

The 256GB Lexar High-Performance 633x microSDXC UHS-I Card is designed for users who demand speed, capacity, and reliability for mobile devices, action cameras, drones, and Android smartphones. With read speeds of up to 100MB/s and write speeds up to 45MB/s, this card delivers smooth performance for 4K UHD and Full HD video recording, fast app loading, and quick file transfers. Its support for U3, V30, C10, and A1 makes it a versatile storage solution for both media capture and everyday mobile use.

Product Features

High-Speed UHS-I Performance

Achieve fast data transfers with up to 100MB/s read and 45MB/s write speeds, helping you save time when backing up or accessing large files.

Optimized for 4K and Full HD Video

Rated U3 and V30, the card ensures sustained write speeds required for smooth 4K UHD and Full HD video recording, making it ideal for action cameras and drones.

App Performance for Android Devices

With A1 App Performance, the card enables faster app launch times and smoother performance when used as expanded storage on Android smartphones and tablets.

Large 256GB Capacity

Store more photos, high-resolution videos, apps, and files without constantly managing space—perfect for content creators and power users.

Reliable and Durable Design

Built for everyday and outdoor use, the card delivers dependable performance across a wide range of devices and environments.

Product Specifications

• Capacity: 256GB
• Form Factor: microSDXC
• Speed Rating: 633x
• Sequential Read Performance: Up to 100MB/s
• Sequential Write Performance: Up to 45MB/s
• Video Speed Class: V30
• UHS Speed Class: U3
• Speed Class: Class 10
• App Performance Class: A1
• Interface: UHS-I
• Model Number: LSDMI256BB633A
• Compatibility: Smartphones, tablets, action cameras, drones, handheld gaming devices