Linked by Thom Holwerda on Mon 17th Nov 2008 19:18 UTC
Unveiled on Monday by the USB Implementers Forum, the USB 3.0 spec can theoretically support data-transfer speeds of up to 4.8Gbps - 10 times the speed provided by USB 2.0. The new standard, also known as SuperSpeed USB, is also expected to be more power-efficient than its predecessor. "SuperSpeed USB is the next advancement in ubiquitous technology," Jeff Ravencraft, the president of the USB Implementers Forum (USB-IF), the industry group that promotes USB technology, said in a statement on Monday. "Today's consumers are using rich media and large digital files that need to be easily and quickly transferred from PCs to devices and vice versa. SuperSpeed USB meets the needs of everyone, from the tech-savvy executive to the average home user."
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Member since:
2006-03-30
Hold the train for a second. I think we're getting seriously confused on terminology. Whether or not the B is capitalized makes a factor of 8 difference! bps is bits per second. Bps is Bytes per second. There are 8 bits to a Byte. USB 2.0 supports a theoretical 400 Mbps, therefore a theoretical 50 MBps. So, if you're seeing 12 MBps this is on the order of 25% of the theoretical maximum, and makes good sense.
USB 3.0, if we are to believe the titlepage is correct, will support 4.8Gbps, so in other words, somewhere around 600MBps range.
Please note, this is further confused by the fact that 1 GB != 1000 MB, but rather 1024 MB, so please realize all these numbers are approximate. To be honest, I'm not sure if the manufacturers report using 1000 bits/Kbit to make things look faster, the same way hardrive manufacturers do to make drives look bigger.
edit: typos!
Edited 2008-11-17 21:17 UTC