KOOTION TF-64G 64 GB microSDXC Card, U3, A1, V30, UHS-I

For a phone, camera or dash cam that needs extra storage, the KOOTION TF-64G adds 64 GB in a compact microSDXC format. Its UHS-I interface and U3, Class 10 and V30 ratings help you compare it with cards intended for photo and video use. It also lists read speeds up to 90 MB/s and write speeds up to 30 MB/s. Use it with a device that supports microSDXC cards.

Tech summary

This card brings together useful speed classifications and a small format for compatible devices. The stated read and write speeds offer a clear reference when choosing storage for photos, videos and other files, actual performance can vary with the host device, interface and usage conditions. Compared with choosing a card for capacity alone, its U3 and V30 ratings provide additional information for selecting storage for video capture.

• Type: microSDXC flash memory card
• Capacity: 64 GB
• Connectivity: microSDXC, UHS-I
• Speed class: U3, Class 10, V30, A1
• Read speed: Up to 90 MB/s
• Write speed: Up to 30 MB/s
• Weight: 9 g

The card is described as water-resistant, anti-magnetic and shockproof, with resistance to high and low temperatures. It can expand storage on compatible smartphones, tablets, cameras, gaming consoles, dash cams and surveillance systems. For example, add it to a compatible camera to keep photos and video files on removable storage, or use it to carry documents and music between supported devices.

Tips for day-to-day use

Check that the device accepts microSDXC cards before setting it up, then follow the device’s instructions to format the card if needed. The listed format for cards of 64 GB or more is exFAT. The space available for files will be lower than the stated capacity because formatting and other functions use some storage. For a dash cam or security camera, confirm the device’s card requirements in its own instructions and choose recording settings accordingly. For a phone or tablet, removable storage can give photos, videos and other files a separate place to be stored or backed up.

Buyer feedback highlights perceived quality, while views vary on speed, compatibility, storage capacity and data retention. Those differences make it useful to match the card’s microSDXC format and speed ratings to the intended device rather than relying on capacity alone.

What’s included

The listing identifies one item: a KOOTION 64 GB microSDXC card. Its compact format is designed for use in compatible devices with a microSDXC slot.

Buying verdict

The TF-64G is a practical fit when you want removable 64 GB storage for a compatible phone, tablet, camera or dash cam. Its U3, Class 10 and V30 ratings, together with stated read and write speeds, make it easier to assess for everyday file storage and video-related use. Choose it when microSDXC compatibility and a compact card are central to your setup.