The rack in this image appears to house a Texas Instruments minicomputer of some model, not sure exactly which. 980 maybe? Might be fun to play with, but not for $20K.

https://images.squarespace-cdn.com/content/v1/5e52f79c0260e6...

Note the 8" floppy disk drives also.

Usagi Electric is in Texas. He could make use of that thing.