Server, liquid cooling device and cold plate assembly

A liquid cooling device, comprising:

• a plurality of first cold plates, each having a first fluid inlet and a first fluid outlet;
• a plurality of second cold plates, each having a second fluid inlet and a second fluid outlet;
• a water divider, having an outer inlet connector, an outer outlet connector, a plurality of inner inlet connectors, and a plurality of inner outlet connectors, wherein the plurality of inner inlet connectors are in fluid communication with the outer inlet connector, and the plurality of inner outlet connectors are in fluid communication with the outer outlet connector;
• a first inlet pipe, connecting one of the plurality of inner inlet connectors and the first fluid inlet of one of the plurality of first cold plates;
• a first outlet pipe, connecting one of the plurality of inner outlet connectors and the first fluid outlet of another one of the plurality of first cold plates;
• a plurality of first connection pipes, each connecting the first fluid inlet and the first fluid outlet of different two of the others of the plurality of first cold plates;
• a plurality of second inlet pipes, respectively connecting the others of the plurality of inner inlet connectors and the second fluid inlets of some of the plurality of second cold plates;
• a plurality of second outlet pipes, respectively connecting the others of the plurality of inner outlet connectors and the second fluid outlets of some of the plurality of second cold plates;
• and
• a plurality of second connection pipes, each connecting the second fluid inlet and the second fluid outlet of different two of the others of the plurality of second cold plates.

A server, comprising:

• a casing;
• a motherboard, disposed on the casing;
• a plurality of graphics chips, disposed in the motherboard;
• a plurality of bridge chips, disposed on the motherboard and connected to the plurality of graphics chips;
• and
• a liquid cooling device, disposed in the casing, the liquid cooling device comprising:
• a plurality of first cold plates, respectively and thermally coupled to the plurality of bridge chips and each having a first fluid inlet and a first fluid outlet;
• a plurality of second cold plates, respectively and thermally coupled to the plurality of graphics chips and each having a second fluid inlet and a second fluid outlet;
• a water divider, having an outer inlet connector, an outer outlet connector, a plurality of inner inlet connectors, and a plurality of inner outlet connectors, wherein the plurality of inner inlet connectors are in fluid communication with the outer inlet connector, and the plurality of inner outlet connectors are in fluid communication with the outer outlet connector;
• a first inlet pipe, connecting one of the plurality of inner inlet connectors and the first fluid inlet of one of the plurality of first cold plates;
• a first outlet pipe, connecting one of the plurality of inner outlet connectors and the first fluid outlet of another one of the plurality of first cold plates;
• a plurality of first connection pipes, each connecting the first fluid inlet and the first fluid outlet of different two of the others of the plurality of first cold plates;
• a plurality of second inlet pipes, respectively connecting the others of the plurality of inner inlet connectors and the second fluid inlets of some of the plurality of second cold plates;
• a plurality of second outlet pipes, respectively connecting the others of the plurality of inner outlet connectors and the second fluid outlets of some of the plurality of second cold plates;
• and
• a plurality of second connection pipes, each connecting the second fluid inlet and the second fluid outlet of different two of the others of the plurality of second cold plates.