
USB cables, or Universal Serial Bus cables, are widely used for connecting various electronic devices to each other or to a computer. They provide a standardized interface for data transfer, power supply, and peripheral connectivity. USB cables have different types and connectors, each designed for specific purposes and device compatibility. 

It's important to note that USB cables can have different versions, such as USB 2.0, USB 3.0, USB 3.1, and USB 3.2, which determine their maximum data transfer speeds. The USB cable you need will depend on the specific devices you want to connect or charge.

### USB Cable Types
- [**USB Type-A**](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290466049,4290466102): This is the most common USB connector and is rectangular in shape. It is used for connecting devices like computers, laptops, power adapters, and USB hubs.
- [**USB Type-B**](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290466079,4290466101)**:** This connector is mostly used for connecting printers, scanners, and other peripheral devices to computers. It has a square shape with bevelled corners.
- [**Mini-USB:**](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290466076,4290466099,4290466105) Mini-USB connectors were popular in the past but are now less common. They come in two forms: Mini-A and Mini-B. These cables were commonly used for connecting digital cameras, older smartphones, and other portable devices.
- [Micro-USB:](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290492719,4290466040,4290466095) Micro-USB connectors are smaller and more commonly used in various devices, including smartphones, tablets, digital cameras, Bluetooth speakers, and many other portable devices. They are reversible, allowing insertion in either orientation.
- [**USB Type-C**](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290466041,4290471157,4290471158)**:** USB Type-C is a newer and versatile connector that is becoming increasingly popular. It is reversible like Micro-USB but has a smaller form factor. USB Type-C cables can be used for charging devices, data transfer, and connecting various peripherals. They support faster data transfer speeds and can deliver more power.
- [**USB to DC**](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290466102,4290466079,4290471157,4290099318)**: **These USB Power Cables enable power to an external DC devices through an available USB port from your desktop, laptop computer or adjusted mains outlet.

For more information [check out our Ultimate Guide to USB Cables](/web/content/discovery/ideas-and-advice/usb-cable-guide)

### What are USB Cables used for?

USB cables are used for a variety of purposes, including:

- **Data Transfer:** USB cables allow you to transfer data between devices, such as transferring files between a computer and a smartphone, syncing data between a digital camera and a computer, or connecting external storage devices like USB flash drives or external hard drives to a computer.
- **Charging Devices:** USB cables are commonly used for charging devices like smartphones, tablets, smartwatches, Bluetooth speakers, and other portable electronics.
- **Peripheral Connectivity:** USB cables are used to connect various peripheral devices to a computer, such as printers, scanners, keyboards, mice, game controllers, webcams, and external monitors.
- **Firmware Updates:** Many electronic devices, including smartphones, cameras, and gaming consoles, can receive firmware updates to enhance functionality or address security issues.
- **Audio and Video Output:** USB cables are sometimes used to transmit audio and video signals.
- **Programming and Debugging:** USB cables are essential for programming and debugging certain electronic devices.

RS offers a broad range of popular brands, such as RS Pro, [StarTech.com](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4290907726), Roline, Molex and [Bulgin](https://uk.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/?applied-dimensions=4294966884). We also provide multiple value-adding benefits, beyond our large range of in-stock items, such as in-store collection where available, fast & free delivery and eco-friendly options like Better World products.



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