With capabilities to write data at speeds over 45MB/s, Delkin"s SD 600X series supports HD and 3D video recording as well as rapid-fire RAW photography in DSLRs. Unlike memory cards that are mass designed and built, the Delkin SD 600X card is manufactured with carefully controlled components to increase compatibility, longevity, reliability and overall quality. Proudly designed and engineered in San Diego, CA and supported by our Lifetime Warranty.