High efficiency cold plate

A cold plate comprising:

• a first outlet region defined by a first part of a first interior surface, a second interior surface, a first part of a third interior surface, a first part of a second member of a plane, a first opening in the plane between a first member and the second member, and a first part of the first member of the plane;
• an inlet region defined by a second part of the first interior surface, a second part of the first member of the plane, the first opening, a second part of the second member of the plane, a second part of a third interior surface, a first part of a fourth member of the plane, a second opening between a third member of the plane and the fourth member of the plane, and a first part of the third member of the plane, and;
• a second outlet region defined by a third part of the first interior surface, a second part of a third member of the plane, the second opening, a second part of a fourth member of the plane, a third part of a third interior surface, and a fourth interior surface, wherein the first interior surface and the third interior surface are on opposite sides, wherein the second interior surface and the fourth interior surface are on opposite side, and wherein each of the first interior surface side and the fourth interior surface side is adjacent to a heat source.