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Tom's Guide > Forum > Linux/Free BSD > General Discussion > Why usb is faster than serial port

Why usb is faster than serial port

Forum Linux/Free BSD : General Discussion Why usb is faster than serial port

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dileep kumar   02-14-2012 at 08:36:03 PM

why usb is faster than serial port?

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Ijack   02-14-2012 at 08:46:10 PM

It's a more modern design.

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amdfangirl   02-14-2012 at 10:53:36 PM

It's shinier

------------------------------ Dying
Is an art, like everything else.
I do it exceptionally well.
-Slyvia Plath Lady Lazarus
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Alabalcho   02-15-2012 at 12:23:00 AM

It's "faster" by design. Legacy serial port (RS232) can move 115200 bits per second, while USB ports can (on theory) move four thousand times more (480 mega-bits per second). That's why we have USB cameras, USB diskts, USB that, and we don't have them connected over RS232.

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audiovoodoo   02-15-2012 at 01:37:42 AM

It really does all depend what you mean by serial..

 

USB is not faster than Serial ATA. It is a serial interface and has ports including external ones. SATA Revision 3 is 6Gbps which kind of piddles on USB1 and USB2 and is still a whole 1Gbps faster than USB3. In theory there is no reason that interface could not be used to connect things other than discs.

   


Message edited by audiovoodoo on 02-15-2012 at 01:39:58 AM
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