By supporting the new U3 Speed Class, the SM2704 delivers ample performance to handle the needs of professional photography, high-definition video recording and compressed 4K video capture and playback.

"Silicon Motion is the number one merchant supplier of UHS-I/II card controllers, which are the majority of our overall SD card controller sales. The SM2704 extends the company's leadership with the highest performance UHS-II controller while utilizing a cost-effective, single-channel design," said Wallace Kou, President and CEO of Silicon Motion.

"We are pleased to partner with Micron in enabling the world's fastest UHS-II SD cards in the market today."

"UHS-II technology raises the performance levels for professional photographers, videographers and enthusiasts," said Wes Brewer, Vice President of Micron Consumer Products Group. "The SM2704, with Micron's proprietary high-performance NAND flash and card reader combination, enables us to deliver the highest performance solutions at an affordable price in our new UHS-II Professional SDHC and SDXC cards."

Silicon Motion's SM2704 is a complete hardware/firmware solution that supports all types of NAND Flash, including 1x/1y/1z nm SLC and MLC NAND.