Quote Originally Posted by trinibwoy View Post
Rys throws down with some serious speculation (supposedly seasoned with a little insider info).

http://techreport.com/articles.x/17815/1

It's a bit long but a good read and sums up a lot of the speculation so far plus a few new tidbits.

4200mhz = 201.6gb/s = 256bit
4200mhz = 302.4gb/s = 384bit