These are 3 machines that were laid out pretty cleanly. You probably can't see it, but there are 4 fans in front of each CPU. Several fans on the power supply and another across the motherboard make this one noisy server. Of course, since heat is the natural enemy of computers, I don't really care that it has more fans than all of the PC's in my office combined. I think that's a good thing.
As you can see from the picture above, the memory is easy to get at, and the wiring is pretty straight forward. There wasn't even a need for an add-on board in these servers. Of course, pretty much anything failing means the motherboard needs to be replaced in a Dell, but that's the way most any name brand server is these days.
The mail server that we'll be using w…