MicroSDXC memory card Samsung T7 microSD UHS-I 170 MB/s U3 V30

Samsung T7 microSD UHS-I 170 MB/s U3 V30 is a MicroSDXC memory card designed to expand storage in smartphones, action cameras, drones and other portable devices. The card offers a read speed up to 170 MB/s and meets UHS Speed Class U3 and Video Speed Class V30 requirements for stable Full HD and 4K video recording. Available in high capacities, this microSDXC card is intended for fast file transfer and reliable media capture across compatible devices.

Advantages

The Samsung T7 microSD provides fast sequential read performance of up to 170 MB/s using the UHS‑I interface, enabling quicker file transfers and reduced waiting time when moving photos or video to other devices. Its U3 and V30 ratings ensure consistent write performance for recording Full HD and 4K video, while broad compatibility with common mobile and portable platforms makes it a flexible storage option. The card is also designed with protections against common hazards to help preserve stored data.

Suitable for

• Expanding storage on Android smartphones and tablets for photos, videos and apps
• Recording Full HD and 4K video in action cameras and drones
• Portable gaming consoles that accept microSDXC cards
• Users who need fast read speeds for transferring large media files

When it may not be suitable

This microSDXC card is not compatible with devices that only accept microSD or microSDHC formats or older card interfaces that do not support UHS‑I. It is also not a substitute for primary internal storage in devices that require specific certified or proprietary storage solutions.

Key specifications

• Form factor: microSDXC
• Interface: UHS‑I
• Maximum sequential read speed: 170 MB/s
• Speed classes: UHS Speed Class U3, Video Speed Class V30

How to use

Insert the Samsung T7 microSD card into the microSD slot of a compatible device following the device manufacturer's instructions. If required, format the card in the device before first use to ensure compatibility. Use the card to store photos, videos, apps and other files; connect the device to a computer or use an appropriate adapter or card reader to transfer files at high read speeds. Follow safe removal procedures in your device settings before ejecting the card.

What to consider before purchase

• Check that your device supports microSDXC format and the UHS‑I interface
• Confirm the device accepts the card capacity you intend to buy
• Ensure your intended use (e.g., 4K video recording) requires U3/V30 speed classes for reliable performance

Usage recommendations

For video recording, choose a capacity that accommodates your expected session length and verify the camera or drone supports microSDXC UHS‑I cards. For transfers, use a UHS‑I compatible card reader to achieve higher transfer speeds and regularly back up important files to secondary storage.