SanDisk Extreme 128GB MicroSDHC UHS-I 160MB/s U3 V30 A2

128 GB MicroSDHC UHS-I Card

The SanDisk Extreme microSDHC card provides 128 GB of storage for smartphones, action cameras, drones and interchangeable-lens cameras. It uses the UHS-I interface and carries U3, V30 and A2 ratings for sustained video capture and app performance. A full-size SD adapter is included for broader device compatibility.

Best for 4K UHD video and app-heavy phones

This card suits creators recording 4K UHD or 5K video at a minimum 30 MB/s sustained write rate and users who want faster app loading via A2-rated random read of 4000 IOPS and write of 2000 IOPS. Buyers who need more storage capacity or higher sustained write speeds for professional cinema codecs should look at larger or faster media.

Sustained write holds at 90 MB/s for long clips

Sequential write reaches up to 90 MB/s and maintains the V30 guarantee during extended 4K or 5K recording sessions without dropping below the rated floor. Read speeds peak at 160 MB/s, or up to 190 MB/s when paired with a compatible SanDisk Professional reader. The card is temperature-proof, water-proof, shock-proof and X-ray-proof for reliable operation in harsh environments.