Usb 3.0

USB 2.0 (otherwise known as USB Hi-Speed) boosts the original 12Mbps data rate to 480Mmb/s over 8 years ago but now USB 3.0 (dubbed USB Superspeed) is set to multiply that bandwidth 10 times. Intel just released it after some reported disputes with AMD and Nvidia (who, afraid Intel would have a jump start in incorporating the tech in chipsets, threatened to develop their own USB standard). But how does this affect you? it does not 


We dug up some new information about USB 3.0, got our hands on the new connectors, and even took a look inside the new cables


It’s true: USB 3.0 SuperSpeed will be 10 times faster than the 480Mbps limit of the 2.0. The example Intel likes to give out when talking about the new speed is that transferring a 27GB HD movie to your future media player will only take 70 seconds with USB 3.0, while it would take 15 minutes or more with 2.0. Keep in mind that you’re only going to be able to take advantage of this speed if your portable storage device can write data that quickly. 


Fatter Cable 

Upload And Download Are on Seprate Lines.... So U can copy and paste on the same time...Remember those five new lanes we mentioned earlier? With USB 3.0, two new lanes will be dedicated to transmit data, while another pair will handle receiving data. This not only accounts for the significant speed boost, but also allows USB 3.0 to both read and write at the same time from your portable storage device. In the old spec, the pair of lanes used for data transfer weren’t split between send and receive – they only could handle traffic in one direction. Bi-directional data transfer will be very useful for syncing up information on PDAs and storage backup.


One of the mandates of the new spec is more efficient power-usage protocols. USB 3.0 abandons device polling in favor of a new interrupt-driven protocol, which means non-active or idle devices (which aren’t being charged by the USB port) won’t have their power drained by the host controller as it looks for active data traffic. Instead, the devices will send the host a signal to begin data transfer. This feature will also be backward compatible with USB 2.0 certified devices.