USB sockets and modules

USB sockets and modules are the parts used to add, replace or extend a USB port: panel-mount USB-A and USB-C sockets, internal header brackets, and breakout or extension modules. They suit PC builders, repair technicians and makers who need a port rather than a ready-made cable.

How to choose USB sockets and modules

Connector type and USB standard. Decide first whether you need USB-A, USB-C or Micro-USB, then check the speed standard. USB 2.0 is enough for keyboards, mice and charging, while USB 3.x or USB-C modules suit external drives and faster transfers. Note that a USB-C shaped socket does not guarantee high speed or fast charging, so read the specification.

Internal header or standalone socket. A module that connects to a motherboard needs to match the header on the board. Older boards usually have a 9-pin USB 2.0 header, newer ones add a 19-pin or 20-pin USB 3.x header, and many recent boards also have a USB-C front-panel header. A standalone socket for wiring into your own project needs no header, only soldering or screw terminals.

Mounting style. Panel-mount sockets are fixed through a hole with screws or a nut, PCB-mount sockets are soldered onto a board, and slot-cover brackets sit in an empty expansion slot at the back of a PC case. Measure the cut-out or slot before ordering, as panel thickness and hole shape vary.

Cable length and wiring. Modules that come with a pigtail or extension lead need enough length to reach the header or board without strain. Check the wire gauge if you plan to charge devices, since thin wires lose voltage over distance. Also confirm whether the module is data and power or power only.

Environment and protection. Sockets used outdoors, on a vehicle or on a workshop panel benefit from a dust cap or a waterproof rating. For use inside a PC case, a basic unshielded module is usually enough.

Brands and makers

• Motherboard and case makers: they often supply front-panel USB modules and brackets that match the headers on their own boards, which makes them the safest match for a specific build.
• Connector and component manufacturers: they produce individual sockets, such as USB-A, USB-C and Micro-USB, with published dimensions and current ratings for custom wiring.
• Accessory and cable brands: they tend to offer ready-wired panel-mount and extension modules, including keystone-style jacks for wall plates and patch panels.

Brand listings will appear here as products are added to the category.

USB sockets and modules: frequently asked questions

What is the difference between a USB socket and a USB module?

A socket is the bare connector, usually with solder pins or terminals. A module normally adds a circuit board, a lead or a mounting bracket so it can be fitted without soldering. If you are not comfortable soldering, a module is the simpler option.

Can I add USB-C to my PC case?

Yes, if your motherboard has a USB-C front-panel header. A module with a matching internal connector then plugs in and gives you a USB-C port on the case. Without that header, you would need an expansion card instead.

Will a USB 3.0 module work in a USB 2.0 header?

No, the headers are different shapes and carry a different number of pins. Forcing the connector can damage the board. Check which header your motherboard has before choosing a module.

Do panel-mount USB sockets support charging?

Most can carry power, but charging speed depends on the wiring, the wire thickness and the current rating of the socket. For phones and tablets, choose a module rated for the current you need. A data-only module may not charge a device at all.