What is USB, anyway?
USB means "Universal Serial Bus" and is a serial bus system to connect the PC with external devices. Such a data carrier can be connected in operation with each other and automatically detected by the System. Devices with USB interface are, among others:
- External Hard Drives
- USB Sticks
- MP3 Player
- Digital cameras
- Smartphones
USB Logo
USB 3.0 is much faster than USB 2.0
The USB versions differ mainly by their speed. USB 3.0 achieves a transfer rate of up to 5 Gigabit/s, which is 10 Times faster than USB 2.0.
USB 3.0 Speed
USB 3.0 is backward compatible
The new plugs are with the older 2.0 (480 Mbit/s), 1.1 (12 Mbit/s), and 1.0 (1.6 MBit/s) devices backward compatible. USB 3.0 Transfers are only possible if all three components (Host, cable, terminal) USB-3.0 receptacle to another. You should also note:
- Is connected to a USB 3.0 device to a USB 2.0 socket, will it to the USB speed is throttled
- USB 2.0 devices can be operated on USB 3.0 interfaces
- USB 3.0 cable with USB 2.0 devices
How to your PC with a USB-Stick to accelerate, you will learn in this practical tip.
