Someone should correct me if I'm wrong (I'd be interested in knowing that I'm wrong!), but the largest capacity MFM geometry is that of the Maxtor XT2190 (1024 cylinders * 15 heads), giving you just under 150 Mbytes (M=10**6) after formatting at 19 sectors/track. And the RLL version gets another 30% or so of capacity. Hitachi ESDI drives are available up to 1.5Gbytes or so, and work well on Emulex ESDI<->SCSI controller. All the above was assuming you meant size=capacity. If you meant size=cubic feet or pounds, I'm sure you could put a 14" CDC SMD drive on the other side of a SMD<->SCSI controller. Of course, large embedded-controller SCSI drives are readily available on the surplus market these days. 9 Gbyte drives start below $150.00, and 2 Gbyte drives seem to get around $40. -- Tim Shoppa Email: shoppa(a)trailing-edge.com Trailing Edge Technology WWW: http://www.trailing-edge.com/ 7328 Bradley Blvd Voice: 301-767-5917 Bethesda, MD, USA 20817 Fax: 301-767-5927