About this deal
Male and female connectors can be found for all types of Universal Serial Bus jacks - Micro USB-B male connector, USB-A female connector, and so on. The upcoming USB4 standard, officially announced in 2019, relies on a differently shaped USB Type-C port.
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USB4 is based on the Thunderbolt 3 protocol and supports tunnelling of DisplayPort and PCI Express, as well as a throughput of 20-40 Gbps.
Type-A USB plugs are held in the connectors by friction, with flat contacts at the terminals that slide together when a male plug is inserted into a female jack. Female USB connectors allow the male part of a USB cable or plug to be inserted into any compatible device. Unlike Type-A and Type-B connectors, female USB-C ports can accept a male USB-C plug inserted either way up, as the terminals at both port and plug are completely symmetrical. While many older port types are still in widespread use today (especially for legacy hardware), fewer new peripherals are being manufactured that rely on them.
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There is also the USB Type B Mini, primarily found on digital cameras, USB hubs, and external hard drives, and the USB Type B Micro which is used by modern Android phones.The difference between male and female connectors - the two connector genders - is that one gets plugged in, while the other gets plugged into.