1. A hard drive with a heat dissipation function, comprising:a case including an accommodation space, wherein the case includes a body portion and a cover portion disposed on the body portion, and the accommodation space is formed between the body portion and the cover portion;
a storage module disposed in the accommodation space of the case; and
a working fluid disposed in the accommodation space of the case, wherein the storage module is immersed in the working fluid so that heat generated by the storage module is conducted from the working fluid to the case;
wherein the working fluid is sealed in the accommodation space of the case, and the working fluid is not in contact with an external environment;
wherein a circuit board of the storage module is in contact with the working fluid directly.