Today only, as Amazon’s Gold Box Deal of the Day, you can save big on SanDisk Ultra Memory Cards. The 16GB SDHC is $17.99 – 45% off the $32.99 MSRP, the 32GB SDHC is $29.99 – 54% the $64.99 MSRP, and the 64GB SDXC is $57.99 – 55% off the $128.99 MSRP. All three cards are Class 10, with 30MBps transfer speeds.
Remember, not all devices that use SD cards may support the later SDHC, or especially the SDXC, specifications. So before you buy a card to use in your device, make sure it will be supported.