Memory Card Emtec 128GB MicroSDXC UHS-I ECMSDM128GXCU3G

The Emtec 128GB MicroSDXC UHS-I ECMSDM128GXCU3G is a compact memory card designed for devices that require high-capacity, high-speed removable storage. With 128 GB capacity and UHS-I interface, the card supports fast file transfers and reliable storage for photos, high-resolution videos and large data sets. Read speeds reach up to 100 MB/s and write speeds up to 50 MB/s, while UHS Speed Class 3 (U3) and Video Speed Class V30 ratings enable stable recording of 4K and Full HD video. The card is finished in a distinctive green color for easy identification.

Advantages

The card offers a balance of storage capacity and transfer performance suitable for a wide range of consumer electronics. Fast read speed accelerates file browsing and transfer to computers, while the guaranteed minimum write performance from U3/V30 class helps prevent dropped frames during continuous video recording. The MicroSDXC form factor ensures compatibility with smartphones, drones, action cameras and many tablets when used with an adapter. The durable construction and standardized interface contribute to predictable operation under typical usage conditions.

Suitable for

• 4K and Full HD video recording in cameras and action cams
• High-resolution photo storage in mirrorless and DSLR cameras
• Storage expansion for smartphones and tablets that accept microSDXC
• Data recording in drones and dashcams requiring sustained write speeds
• Portable storage and quick file transfer between devices

Key specifications

• Capacity: 128 GB
• Form factor: MicroSDXC
• Interface: UHS-I
• Maximum read speed: up to 100 MB/s
• Maximum write speed: up to 50 MB/s
• Speed classes: UHS Speed Class 3 (U3), Video Speed Class V30
• Product colour: Green

How to use

Insert the microSDXC card into the device’s microSD slot according to the device manufacturer’s instructions. For devices that accept only standard SD cards, use a microSD-to-SD adapter if provided or required. Format the card in the target device before first use to ensure file system compatibility and optimal performance. When transferring files to a computer, use a compatible card reader or the device connection method recommended by the device maker. Safely eject or unmount the card before removal to avoid data corruption.

Recommendations

Use the card for continuous video recording at 4K or Full HD settings thanks to its U3/V30 classification. Avoid filling the card to full capacity when recording long video sequences; maintain some free space to reduce the risk of file fragmentation and to allow the device’s buffer to operate effectively. Regularly back up important data to other storage media. Follow device temperature and handling guidelines and avoid exposing the card to extreme conditions, moisture or physical impact.