Amazon has a few SanDisk Extreme Class 10 (45MB/s) Memory Cards on sale. Shipping is free.
- 32GB SanDisk Extreme Class 10 (45MB/s) SDHC Memory Card (SDSDX-032G-X46) $30
- 64GB SanDisk Extreme Class 10 (45MB/s) SDXC Memory Card (SDSDX-064G-X46) $60
- Extreme Speed up to 45MB/sec read/write speeds for faster shot to shot performance and faster downloads.
- Extreme Full HD video recording with both UHS Speed Class 1 for the new UHS- I Bus I/F and Class 10 for High Speed Bus I/F to capture Full HD (1080p)
- Extreme Capacities with up to 128 GB capacity for more Full HD video and more uncompressed maximum file size images.
- Extreme Technology based on new UHS-I bus architecture for increased speed so you?ll be ready to capture it all.
- Extreme Reliability advanced Error Correction Code (ECC) engine improves overall data integrity and reliability of the card during read and write.
- Extreme Durability built for and tested in harsh conditions; temperature proof, water proof, shock proof, and x-ray proof.