SD Express Member Products - SD Association SD Express Member Products Developers SD Standard Overview SD Family Capacity (SD/SDHC/SDXC/SDUC) Bus Speed (Default Speed/High Speed/UHS/SD Express) SD Express Implementation Overview - In short videos and articles SD Express Member Products Boot and Extended Security Features (RPMB and TCG) Boot (secured and fast) TCG RPMB Speed Class Application  Performance Class Low Voltage Signaling Content Protection Host Controllers SDIO/iSDIO Wireless LAN SD TransferJet SD ASSD smartSD Embedded SD Application Formats SD-Audio SD-Video SD-Binding SD-SD SD-SD eBook SD Express / UHS-II Verification Program (SVP) Verified Product How to Start Using SD Standards in Your Product Use and Licensing Developers Developers SD Standard Overview SD Family Capacity (SD/SDHC/SDXC/SDUC) Bus Speed (Default Speed/High Speed/UHS/SD Express) SD Express Implementation Overview - In short videos and articles SD Express Member Products Boot and Extended Security Features (RPMB and TCG) Boot (secured and fast) TCG RPMB Speed Class Application  Performance Class Low Voltage Signaling Content Protection Host Controllers SDIO/iSDIO Wireless LAN SD TransferJet SD ASSD smartSD Embedded SD Application Formats SD-Audio SD-Video SD-Binding SD-SD SD-SD eBook SD Express / UHS-II Verification Program (SVP) Verified Product How to Start Using SD Standards in Your Product Use and Licensing SD Express Overview SD Express is capable of delivering SSD performance levels of up to 4GB/sec. This makes it perfect for use in high-performance electronic devices and products. SD Express memory card takes a giant step forward by giving the SD and microSD form factors the high speed PCIe® interface and the highly capable NVMe™ protocol used by SSD and M.2 cards alongside the legacy SD interface. See a list of products that are already using SD Express on