We often see USB 2.0 and USB 3.0 tags. These are labels for the standard USB connectors. What's the difference? A simple explanation is that the standard 3.0 is much faster than 2.0, but it's true that your device also needs a 3.0 interface to work at full speed.

USB porti

Standard 2.0 came into operation in 2000 and 3.0 in 2008. The maximum speed of the 2.0 interface is 480 Mbps, and the 3.0 interface speed is 4.8 Gbps, i.e. 10x faster! Standard 2.0 also works a bit differently, namely data can only be written or read at the same time, while the interface 3.0 can simultaneously read and write data. That's why the USB 2.0 interface has four data transfer wires and USB 3.0 has nine.

It is probobaly also not necessary to explain that devices are powered via USB ports, since everyone has already filled up their mobile phone via a computer at least once. Also, the standard 3.0 has the advantage of having a capacity of 900 mA, while the performance of the 2.0 interface is only 500 mA.

How do I know if my USB stick has interface 3.0?

For standard A connectors, this is a classic flat panel, you can see this by the color of the plastic part in the USB connector. The interface 2.0 is usually black or gray, but 3.0 is usually blue.

3.0 konektor

Can I use USB 2.0 stick on interface 3.0 and vice versa?

Of course, this is not an obstacle. It will only work slower, that is, with the speed of the 2.0 interface. Other functions will work normally. The same applies in the opposite case.

USB 3.1 standard

This will eventually become the standard of the future. It works the same as usb 3.0, but the connector has a good property - it does not matter how it is turned, which saves us one of the biggest problems when using usb sticks and related media devices.

USB C konektor

The connector is also relatively small, allowing it to be used on virtually any electronic device. The problem arises because it is not inverse compatible, so you need to use special adapters for standard inputs. This standard is already supported by some of our OTG sticks with interfaces 3.0.

 

 

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USB YEW

USB YEW

USB CARPINUS

USB CARPINUS

USB POPLAR

USB POPLAR


USB TIROL

USB TIROL

USB twister

USB TWISTER

Twister OTG

USB TWISTER OTG


ECO USB SET

ECO USB SET

PEN AND USB TWISTER SET

PEN AND USB TWISTER SET

PEN AND USB CARD SET

PEN AND USB CARD SET


USB PAPERCLIP

USB PAPERCLIP

MIKRO USB

MIKRO USB

USB CARD

USB CARD


USB TWISTER WOOD

USB TWISTER WOOD

USB PEN

USB PEN

USB ECO WOOD

USB ECO WOOD


USB OVAL

USB OVAL

USB KEY

USB KEY

USB BERLIN

USB BERLIN


USB BRACELET

USB BRACELET

Power bank POWERBRICK

Power bank POWERBRICK

USB BARI

USB BARI


USB MADRID

USB MADRID