Samsung MB-SY128SB/WW memory card 128 GB SDXC UHS-I

The Samsung 128GB SDXC UHS-I MB-SY128SB/WW is a high-capacity memory card designed for cameras, laptops and other SDXC-compatible devices. It provides 128 GB of storage in an SDXC form factor with a UHS-I interface, delivering fast read and write performance that supports high-resolution photo capture and video recording. The card is finished in white and is compatible with devices that accept SDXC media.

Advantages

This memory card offers read speeds up to 200 MB/s and write speeds up to 130 MB/s, enabling rapid file transfers and efficient workflow when offloading images or footage. With UHS Speed Class 3 (U3) and Video Speed Class V30 ratings, it supports steady recording of Full HD and 4K video at sustained bitrates. The 128 GB capacity balances storage space and portability, while the UHS-I interface ensures broad compatibility with many consumer and professional devices.

Suitable for

Key specifications

How to use

Insert the Samsung SDXC card into the SD card slot of your camera, laptop or card reader with the label side facing up, following the device manufacturer’s orientation guidelines. Format the card in your device before first use or after backing up any data to ensure the file system matches device requirements. Use a compatible card reader to connect the card to a computer for transfers; copy or move files using your operating system’s standard file manager. Eject or unmount the card safely from the host device before removing it to avoid data corruption.

Recommendations

For reliable performance when recording high-resolution video, verify your camera’s supported speed classes and choose appropriate recording settings. Keep a backup of important files and avoid exposing the card to extreme temperatures, moisture or strong magnetic fields. If you experience read/write issues, try formatting the card in the device after backing up data or test the card in an alternate compatible device to isolate problems.