Fast enough to keep up with the action
Get extreme speeds from a Micro SDXC memory card for fast transfer, app performance, and 4K UHD. Ideal for your Android smartphone, action cameras or drones, this high-performance Extreme microSD SDXC card does 4K UHD video recording, Full HD video, and high-resolution photos. Super-fast SanDisk Extreme PRO microSDXC memory card achieves read speeds up to 170 MB/s and writes up to 90 MB/s. Plus, it’s A2-rated, so you can get fast application performance for an exceptional smartphone experience.

Save time transferring content
Quick read speeds of up to 170 MB/s let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24 GB) in less than 3 minutes.

Write speeds of up to 90 MB/S
Capture fast-action photos or shoot 4K UHD video with write speeds of up to 90 MB/s. The SanDisk Extreme microSDXC card lets you shoot more and faster.

Great for capturing 4K UHD video
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.

Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A25 Specification.

Durable design for use in extreme environments
SanDisk Extreme microSDHC and microSDXC UHS-I Cards are shockproof, temperature-proof, waterproof, and X-ray-proof, so you can enjoy your adventures without worrying about the durability of your memory card.

Compatible with MobileMate USB 3.0 reader
Use the MobileMate USB 3.0 microSD card reader with transfer speeds of up to 160 MB/s, so you can move big files fast, move a lot of files fast or just make frequent file transfers that much quicker.