I had originally put that information around post #670 in this thread. You don't remember seeing that?
You didn't say how large is his drive.
I do not plan to get to 0% Available as when I get close to 10% I will be doing some pretty serious maintenance to ensure that it stays Fast and operationally secure and happy. I think I can live with 540 - 54 = 486 Hours of HD MPEG-4 Recording and if I can't I need to SEEK PROFESSIONAL HELP!!!
He's got HR20-700 connected to a Seagate FreeAgent XTreme 1.5TB with the SIIG esata cable purchased from newegg