MicroSDXC memory card Samsung T7 256 GB UHS-I U3 V30 read 170 MB/s Blue

The Samsung T7 microSDXC memory card delivers 256 GB of removable storage in a compact blue form factor. With a UHS-I interface and rated read speeds up to 170 MB/s, this card is designed for storing high-resolution photos, Full HD and 4K video, games and apps on compatible devices. It meets UHS Speed Class 3 (U3) and Video Speed Class V30 requirements, and includes multi‑layer protection against water, extreme temperatures, X‑rays, magnets, drops and normal wear to keep data accessible in everyday conditions.

Advantages

The T7 microSDXC offers fast sequential read performance up to 170 MB/s, helping to reduce transfer times and improve responsiveness when loading large media files. Its U3 and V30 ratings support stable 4K video capture and high-bitrate recording, while the A2-class app performance makes it suitable for running apps and games directly from the card. Durable construction and environmental protections provide extra reliability for portable use.

Suitable for

• Storing high-resolution photos and burst-mode image sequences
• Recording Full HD and 4K video with action cameras, drones or mobile devices
• Expanding storage on Android smartphones, tablets and handheld game consoles
• Keeping media libraries, apps and games accessible on the go

When it may not be suitable

This microSDXC card is intended for devices that support microSDXC and UHS-I interfaces. It may not deliver full advertised performance in devices limited to older microSD or lower bus modes. It is not formatted or bundled with device-specific adapters or readers in all sales; check device compatibility and whether an adapter is required.

Key specifications

• Capacity: 256 GB
• Flash card type: microSDXC
• Interface: UHS-I
• Max read speed: up to 170 MB/s
• Speed class: UHS Speed Class 3 (U3), Video Speed Class V30
• App performance class: A2
• Colour: Blue
• Durability: water resistant, temperature proof, X‑ray proof, magnet proof, drop proof, wear resistant
• Weight: approx. 0.0003 kg

How to use

Insert the Samsung T7 microSDXC card into a compatible microSD slot on your smartphone, tablet, camera, drone or game console following the device manufacturer’s instructions. For use with devices that require an SD adapter, place the card into a microSD-to-SD adapter if provided. Format the card in the target device or a computer before first use if prompted, and copy files using the device’s file manager or a card reader connected to a computer. Use the Samsung Magician or compatible utilities to verify card health and manage data where supported.

What to consider before purchase

• Verify your device supports microSDXC and UHS-I to achieve rated speeds
• Check whether you need an SD adapter or external card reader for your device
• Consider whether the A2 app performance rating is required for running apps from the card
• Ensure the capacity fits your storage needs for photos, video or games

Recommendations

For reliable results, format the card in the target device before initial use, keep backups of important data, and use the card within the manufacturer’s recommended temperature and handling limits. When recording high-bitrate 4K video, confirm the camera or recorder supports V30/U3 cards to maintain continuous capture.