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.
SDXC memory cards promise 2TB of storage, 300MBps transfer. Mac 101: Format choices for USB flash drives. The overwhelming majority of USB flash drives you buy are going to come in one of two formats: FAT32 or NTFS. The first format, FAT32, is fully compatible with Mac OS X, though with some drawbacks that we'll discuss later.