SanDisk Ultra 64GB Secure Digital Extended Capacity (SDXC) Flash Card for $54.99 shipped after coupon code EMCYTZT1562. Here is a screenshot for your reference. Alternatively, it is available here for $58.99 shipped. This is a SDXC/SDHC card with up to 30MB/s data transfer speed and 64GB capacity. Most places have it for about $69.