Family terminology
USB connector names and aliases
Separate the physical USB connector from the USB generation, data mode, video transport and charging behavior implemented by a particular product.
11canonical connector forms
34alias entries
9documented shape labels
9engineering profiles
Canonical names and common aliases
| Canonical connector | Common names / abbreviations | Shape label | Engineering |
|---|---|---|---|
| USB Type-A | USB-A · Type A · USB type A | rectangular | Engineering reference → |
| USB Type-B | USB-B · printer USB · Type B | square | Engineering reference → |
| SuperSpeed USB Type-B | USB 3 B · USB 3.0 B · SuperSpeed B | stacked | Engineering reference → |
| USB Type-C | USB-C · USBC · Type C · USB type C | oval | Engineering reference → |
| Mini-USB Type-B | Mini USB · Mini-B · Mini USB B | trapezoid | Engineering reference → |
| Micro-USB Type-B | Micro USB · Micro-B · Micro USB B | low-profile | Engineering reference → |
| SuperSpeed Micro-USB Type-B | USB 3 Micro B · wide Micro USB · SuperSpeed Micro-B | split | Engineering reference → |
| USB 3.0 front-panel 19-pin internal connector | USB 3.0 19-pin header · USB 3 front panel header · 19-pin USB header · internal USB 3 header | internal-header | Engineering reference → |
| USB 3.1 front-panel Key-A 20-pin header | USB Key-A header · USB 3.1 front panel header · 20-pin Key-A · Type-C front panel header | internal-header | Engineering reference → |
| USB Mini-A plug | Mini-A · USB Mini A | historical-mini | Identification record only |
| USB Mini-AB receptacle | Mini-AB · USB Mini AB | historical-mini | Identification record only |
Related comparison paths
USB-C vs Thunderbolt 5One is a connector. The other is a technology that uses it. Compare layers before numbers.↗USB 3.0 19-pin versus USB Key-A 20-pin front-panel headersWhich motherboard front-panel USB header form does the board and case cable specify? Connector-family identity is only the first layer; implementation-specific electrical and protocol requirements still need exact documentation.↗USB-C vs USB 3.2USB-C names the connector. USB 3.2 names data modes and nomenclature; a Type-C port does not prove a particular USB 3.2 mode.↗USB-C vs USB4 version 1USB-C is a physical connector; USB4 is a technology. Confirm the exact device and cable instead of assigning USB4 to every Type-C port.↗USB-C vs Thunderbolt 4Thunderbolt 4 uses the USB-C connector form, but a USB-C-shaped port is not automatically a Thunderbolt 4 port.↗USB-C vs USB Power DeliveryConnector shape and negotiated power are different layers. A USB-C port does not by itself establish a particular USB Power Delivery capability.↗USB Type-B vs SuperSpeed USB Type-BThe taller SuperSpeed Type-B form is physically distinct from legacy Type-B. Compare the complete outline before choosing a cable.↗Mini-USB Type-B vs Micro-USB Type-BMini-B and Micro-B are different connector forms. Similar names do not make their plugs or receptacles interchangeable.↗Micro-USB Type-B vs SuperSpeed Micro-USB Type-BSuperSpeed Micro-B has a wider compound form. Identify the full receptacle shape rather than assuming every Micro-B cable fits every Micro-B-looking port.↗
Common searches routed here
What does a USB-C port support?Separate the USB-C connector from USB generations, USB4, Thunderbolt, video and charging capabilities.↗USB internal header typesDistinguish the USB 19-position front-panel header from Key-A internal USB-C header terminology.↗Does USB-C mean USB 3, USB4 or Thunderbolt?Separate USB-C connector form from data generation, USB4, Thunderbolt, video and charging capability.↗USB-C charges but no displayExplain why charging and display transport remain separate port/cable capability questions.↗Why USB-C cables have different speedsRoute USB-C speed confusion into exact cable capability, marking, host and device evidence.↗Are all USB-C cables the same for charging?Keep USB-C endpoints separate from cable-specific charging/current evidence and the complete power path.↗
Discovery is not a compatibility verdict.
These discovery surfaces route and reorganize facts already represented in the atlas. They do not add electrical ratings, universal pinouts, measured tolerances, exact-device support, wiring approval or an end-to-end compatibility result.