USB 3.0 vs. USB 2.0

June 3rd, 2014 § 0 comments

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Everyone is familiar with USB (Universal Serial Bus) and the benefits from it.

USB 3.0, the latest version of USB (Universal Serial Bus), provides better speed and more efficient power management than USB 2.0. USB 3.0 is backward compatible with USB 2.0 devices; however, data transfer speeds are limited to USB 2.0 levels when these devices inter-operate.

USB 3.0 is capable of transfer speeds of up to 5Gbps (gigabits per second); that’s a little over 10 times faster than USB 2.0’s 480Mbps (1,000Mbps equals 1Gbps). In practice, it won’t always be this much faster — mileage may vary depending on hardware configuration — but it will always be much faster than USB 2.0

USB 3.0 is more expensive than USB 2.0. Of course this is expected, but if you need it for something simple, then there is no need to spend more money and buy the USB 3.0

The standard-B connectors are smaller in size for USB 2.0but it takes extra space in USB 3.0 for more wires.

USB 3.0 also consumes 400 mA power than USB 2.0 which is also expected since it is capable of transfer speeds 10 times faster.

No matter which USB device, both of them are easy to install and easy to use. But as I said before, if you need it for a small project, then use the USB 2.0 since it’s cheaper and it consumes less power.

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