You are talking max rates, not sustained write rates. Big difference. Typical SATA 3.0 drives will write well under that 746Mbps threshold. You can look at actual sustained transfer speeds of a WD 10k rpm hard drive and it will sit under 650Mbps. Not enough for HD.
On Sun, Aug 31, 2008 at 7:34 PM, Tom Piwowar <[EMAIL PROTECTED]> wrote: > >BTW, single drive sustained data write is nowhere near fast enough to > write > >HD. You seem to think we're just talking about size of the drives, RAID > is > >not just about size. > > The data rate for uncompressed 24p 1920x1080 (HD) video is 746 Mbps. > > Old SATA/150 at 1200 Mbps exceeds that by a good margin. > Current SATA/300 at 2400 Mbps can do that easily. > The latest SATA/600 at 4800 Mbps can handle multiple streams easily. > > > ************************************************************************* > ** List info, subscription management, list rules, archives, privacy ** > ** policy, calmness, a member map, and more at http://www.cguys.org/ ** > ************************************************************************* > ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
