Itechanswer.com

USB 3.0 is the latest revision of the Universal Serial Bus standard released in 2008. Most of your computer peripherals are probably operating via USB 2.0 however super speed USB 3.0 is theoretically up to 10 times faster than its predecessor. It is more than its predecessor’s theoretical maximum bandwidth from 480Mbit/s to 4.8Gbit/s (4,800Mbit/s) as well as increasing maximum power draw from 500mA to 900mA. USB 3.0 cables and devices are also required to achieve the fast transfer speeds in USB 3.0. Majority of 3.0 devices includes external hard drives, hard drive docks flash drives, memory card readers, display adapters, and transfer cables.

Pros  of USB 3.0 –  SuperSpeed USB 3.0 is 10 times faster than USB 2.0. The new SuperSpeed mode has a transfer rate of 4.8Gbps. USB 3.0 can deliver 900mA to the device, compared with USB 2.0′s 500mA. USB 3.0 is compatible with USB 2.0. For that you require a new cable and new host adapter to achieve USB 3.0.  However you can still use the device on a USB 2.0 port and achieve typical USB 2.0 performance. USB 3.0 is also engineered to provide maximum bus power to devices to deliver a better overall user experience. Whether hooking up hard drives, SSDs or memory sticks, USB 3.0 makes a big difference. The other area where USB 3.0 currently makes a difference is high definition webcams, to enable streaming their feeds through to your computer without the compression that was necessary with USB 2.0. SuperSpeed USB 3.0 extension cable will offer a durable, high quality connection that harnesses the full capability of the USB 3.0 standard.

Cons of USB 3.0 – If you use your computer for basic tasks like email, web-browsing, and for other office works, USB 3.0 probably won’t help you much. It won’t affect your standard definition webcam, mouse, keyboard or printer. USB 3.0 cables and hubs are also significantly more expensive. USB 3.0 is also of shorter length than USB 2.0′s five meters and is also limited to a maximum of four ports.

The improvement to SuperSpeed USB 3.0 is for improving the interaction between device and host computer. USB 3.0 equipments in near future would be in more demand. if you’re shopping around for a new system, it’s would be a good idea to look around for a desktop computers with usb 3.0 or usb 3.0 ports in laptops.