Fragment of a discussion from Talk:K3b Overburning like this has been possible for years. It has always been unreliable. If you set K3B to use 700MB disks, make sure that what you are proposing is slightly less than that. If I recall correctly a small amount of space is required for writing system information. Parent MoreHistory View source Link toannew (talk) 09:49, 14 February 2013 Retrieved from "https://userbase.kde.org/Thread:Talk:K3b/Why_does_700_MB_expand_to_703.1_MB%3F/reply#Why_does_700.C2.A0MB_expand_to_703.1.C2.A0MB.3F_1994"