The PCMCIA card slot is compatible with Type II 3.3/5.0V cards of the PC CARD STANDARD Release 7.0. CardBus is not supported. As a modem you could use the Sierra Wireless AirCard ® 850. You can find further details about this option in the "Third Party Options" section.
The slot is compatible with the SDHC Ver. 2.0 and supports SD memory cards in the size of 4 GB to 32 GB with power voltage at 2.7 to 3.7V. It does not support SDIO.