Pretec’s 32GB SDXC card is not compatible with SDHC, which is using FAT32 file system. The maximum access speed of traditional SD card (SD 1.1 spec.) is 12.5MB/s and maximum capacity is 4GB. The first 8GB SDHC card was introduced by Pretec in Aug. 2006. Pretec 32GB SDXC card, sampling now to design-in customers, can reach the speed of up to 50MB/s, depending on the host system design which needs to be compliant with SDXC specification, will be enhanced the capacity to 64GB SDXC by the second half of this year. As of today, no SDXC compliant host systems are available in the market yet.