>> I took a 2.0 GHz single processor PCIe system and put a 2.5 from a QUAD in it.

> I looked at some videos related to the liquid cooling servicing/replacement
> and a lot of it looks pretty difficult and risky.

As far as I understand, he has kept the receiving system's air cooling.

>> That would be ex/cr/LE

> Why is the "LE" upper case?

I'm eagerly awaiting plausible answers to this question ;-)