UM IP gateways. IPv6 support for UM IP gateways. Enabling and disabling a UM IP gateway. Overview of UM IP gateways. Traditionally, gateway is a term that describes a physical device that connects two incompatible networks.
SDXC. SDXC is the next version of the SD standard, which is designed to allow storage capacities from 32 GB to 2 TB (Terabytes). SDXC cards in current production have capacities up to 64 GB only. They are formatted with exFAT file format.
About the SD and SDXC card slot. Some Mac computers feature an SD (Secure Digital) or SDXC (SD extended capacity) card slot that enables these computers to read and write data to SD media inserted in the slot. Learn more about the SD and SDXC card slot.