SanDisk today announced the Extreme Pro microSDXC UHS-II card for mobile devices. The Class 10 card meets UHS Speed Class 3 and can deliver transfer speeds at up to 275Mbps. SanDisk says it is ideal for capturing and transferring 4K video. The card is robust and is waterproof, shockproof, and temperature proof. The card will be sold in 64 GB and 128 GB sizes for $179.99 and $299.99, respectively. SanDisk said the card will become available during the second quarter.


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