The UHS specification is based on SDA Physical Layer Specification, Version 3.0. It provides up to 104MB/s* performance. UHS cards are backward compatible on non-UHS hosts.
On 2nd and 3rd September 2013, the Member of the Politburo of the CPC Central Committee, Vice Premier of the State Council Ma Kai comes to Shenzhen conduct research on Information Technology and Industrial R&D production and application, he approves the innovative development and achievements of Shenzhen and encourages the information industry of Shenzhen to seize the opportunity to achieve leapfrog development. The Secretary of a provincial Party committee Hu Chunhua, governor of a province Zhu Xiaodan, Secretary Municipal Committee Wang Rong, Mayor Xu Qin, accompanying attended related activities.