MicroSD UHS-I Memory Card get extreme speeds for fast transfer, app performance, and 4K UHD video.

(2) Ideal for your Android smartphone, action cameras or drones, this high-performance microSD card handles 4K UHD video recording. 

Full HD video and high-resolution photos. 

The super-fast SanDisk Extreme microSDXC memory card reads up to 160MB/s and writes up to 90MB/s. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.

Not all devices support microSD memory card formats. 

Check with your device manufacturer for more details.

For 128GB-400GB: Up to 160MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. 

1MB=1,000,000 bytes. 1GB=1,000,000,000 bytes. Actual user storage less. 

Compatible device required. 

Full HD (1920x1080) and 4K UHD (3840 x 2160) support may vary based upon host device, file attributes and other factors.

In Pack Card only 

UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. Video speed class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS-enabled host devices.

For 64GB-400GB: A2 performance is 4000 read IOPS, 2000 write IOPS. 

Results may vary based on host device, app type and other factors.