PQI 6AEH-032GPR35B-32 32GB Class 10 SDHC Flash Memory Card for $31.99 shipped.  Here is a screenshot for your reference. It features up to 24MB/sec read speed and up to 19.5MB/sec write speed and error correcting code for detecting and correcting data errors during transfer.  Most places have this SDHC card for over $40.