Toshiba has announced what it claims will be the world's fastest SDHC UHS-I and the world's first microSDHC UHS-I compliant memory cards. To be available in 32GB, 16GB and 8GB capacities, the SDHC cards will offer read and write speeds of up to 95MB/s and 80MB/s respectively. The microSDHC cards will be available in 4GB, 8GB and 16GB capacities with read and write speeds of up to 45MB/s and 20MB/s. The company says mass production of the SDHC UHS-I cards and sample shipments of the new microSDHC UHS-I cards will begin from November 2010.