A method and system of cooling components of a computer system. At least some of the illustrative embodiments are computer systems comprising an enclosure, a motherboard within the enclosure, a heat generating component coupled to the motherboard and within the enclosure, a canister comprising a compressed fluid (the canister coupled to the enclosure), and a gas cooling device selectively fluidly coupled to the compressed fluid (the gas cooling device produces chilled gas when fluidly coupled to the compressed fluid). The chilled gas is directed upon the heat generating component.