Chinese Spy Chips and Supermicro:
Bloomberg says that the chip was designed to look like a Signal Conditioning Coupler. That is what they photographed for the story. Those chips have six pins. Three on either side. The question I have whether the board had traces designed into the circuit to accommodate the chip.
Now everyone is going to be opening up their computers and servers to take a look at the motherboards to find the chip with a magnifier.