Get extreme speeds for fast transfer, app performance and 4K UHD with this SanDisk SDSDXDK-064G-ANCIN Extreme Pro memory card. The 64GB capacity provides plenty of room for your music and photos, while read speeds of up to 300MB/sec. ensure fast access to stored information. Featuring transfer speeds of 260MB/sec., this SanDisk Extreme Pro memory card lets you easily move data.