To find out why, we need to take a look under the hood at how SD cards deal with storage capacity. A rare 4 GB card produced piror to the ratification of SDHC. Compatibility of such cards is ...

ADATA unveils the industry's first SD Express 8.0 compliant cardd, with massive read and write speeds of up to 1.6GB/sec and 1.2GB/sec, respectively.