Computing node and server

A computing node, comprising a housing, a first mainboard, a processor circuit board, and a first cable, wherein the housing comprises an accommodating cavity, wherein the first mainboard, the processor circuit board, the first cable and a coolant are disposed in the accommodating cavity;

• the processor circuit board comprises a first surface, a second surface, and a first side surface connected to the first surface and the second surface, where the first surface and the second surface are disposed opposite to each other, the first side surface of the processor circuit board faces the first mainboard, a processor is disposed on the first surface or the second surface of the processor circuit board, and the processor is electrically connected to the first mainboard;
• and a plurality of first memories are disposed on the first mainboard, a first end of the first cable is electrically connected to the first mainboard, a second end of the first cable is electrically connected to the processor circuit board, and the processor is electrically connected to the plurality of first memories by using the first cable;
• and the computing node further comprises a second mainboard and a second cable, and a plurality of second memories are disposed on the second mainboard;
• the processor circuit board further comprises a second side surface connected to the first surface and the second surface, and the first side surface and the second side surface are disposed opposite to each other;
• the processor circuit board is disposed on the second mainboard, and the second side surface of the processor circuit board faces the second mainboard;
• a first end of the second cable is electrically connected to the second mainboard, and a second end of the second cable is electrically connected to the processor circuit board;
• the processor is electrically connected to the plurality of second memories by using the second cable;
• and the plurality of first memories and the plurality of second memories are disposed in a staggered manner;
• and a third connector is further disposed on the second mainboard;
• a fourth connector is further disposed on the processor circuit board;
• the first end of the second cable is electrically connected to the second mainboard by using the third connector;
• and the second end of the second cable is electrically connected to the processor circuit board by using the fourth connector.