All Colibri modules are HW compatible with at least the following SD Memory Card standards:
There might be limitations because of the used file system. The default file system on SDXC cards is exFAT which isn't supported by Windows CE5. Using SDXC cards is still possible under Windows CE5 when using e.g. FAT32. Windows CE6 and Windows Embedded Compact 7 support exFAT.
Please check this article to know how to enable multiple SD Card interface on Colibri PXAxxx modules.
Please check this article to know how to enable multiple SD Card interface on Colibri Txx modules.