This article is from the storage FAQ part1, by Rodney D. Van Meter with numerous contributions by others.
In the July '95 Wired, p. 56, and seen at SIGGRAPH '95: new Sony WORM drive, looks like 12", maybe bigger. 15GB on a $400 platter. drive is $21K. 76-disk autochanger is $112.5K. ZCAV. transfer rate 2.7 MB/sec. sustained. call 1-800-222-7669. (rdv,7/95)