Checking out the IBM 7532 Industrial Computer, introduced in May of 1985 at $6149. Prices only went up from there, easily surpassing $10000 for a decent setup with EGA and a hard drive! It's one monster of a rackmount 286, built for use in professional environments like factories, power plants, and alongside mainframes.
And yep, this is the source of the legendary gray Industrial Model M keyboard!