The latest CFexpress memory card update 4.0 will double the speed to 4 GB/s while still being backward compatible: CompactFlash Association members: Additional information: CFexpress 4.0 delivers double the theoretical throughput of CFexpress 2.0 while maintaining the same form factor LOS GATOS, California – CompactFlash Association (CFA), the organization responsible for professional removable media specifications such as CompactFlash®, … Continue reading The new CFexpress memory card update 4.0 will double the speed to 4 GB/s while still being backward compatible