Terrifying S.M.A.R.T. attributes

I have four drives in my PC. One is a 3 year old Seagate 1TB ST31000528AS SATA II. About a year ago, I was using an ASrock motherboard. I started having the drive vanish from Windows Explorer, and there were a lot of unexpected drive disconnect errors in Event Viewer. A new latching-type cable from Newegg solved my problem. This afternoon, I happened to click the Health tab in Defraggler,...