I don't know what the capacity will be, but one of the things you do have to worry about if you are going to be writing files to tape based on how much they COULD hold, is that with reel tapes, it is easy to trim off damaged tape. With DAT tapes or cartridge, etc, if even a small part of the tape is damaged you just throw them away, but with reel you can just trim off the damaged section, replace the BOT, and you are set. If you don't do this at your shop, then you don't need to worry about it. Gary L. Paveza, Jr. Technical Support Specialist All opinions are mine and not those of my employer -----Original Message----- From: Donna Garverick [SMTP:[log in to unmask]] Sent: Thursday, August 13, 1998 2:19 PM To: [log in to unmask] Subject: tape capacity i guess this is an oldie but a goodie sorta question... how much information can a 2400' reel (yes, reel) of tape contain -- in theory. i guess, perhaps, the better question is -- does anyone remember the equation for calculating this? - d -- Donna Garverick Sr. System Programmer 925-210-6631 [log in to unmask] >>>MY opinions, not Longs Drug Stores'<<<