At first, I thought that this was a @NanoRaptor creation; but, sometimes, truth is stranger than fiction.
This is from an HP dual-Xeon workstation 👀 @winocm/1460086971930275843
Snippet from a service manual for the HP xw6600 workstation showing the slanted memory slots in their glory. Of course, it uses the not-quite-as-cursed-as-Rambus Full Buffered DIMMs that Intel was so fond of back then.