I might have found the answer myself. Let me know if you agree that this would fall into Green fibre with metal or Green/Brown Fiber No Metal
Green fibre with metal
This one is a bit convoluted
Any fibre CPU that is not black and has gold pins; and a metal spreader
Any bus port CPU (Mac processors, IBM power processors, Dell servers). A bus port is a little larger than a credit card, has 1-3 CPUs (QFP) a ton of CMCs, and a large rectangular pin port (PGA)
Various other NOT quite slot processor designs
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