Computer system comprising a computer system case equipped with a connector, at least one blade of computer system components which is designed to be inserted into said computer system case and connected to said connector of said case, and computer components which are received in said blade, said blade comprising: - a chassis which is distinct from said case and which comprises a male connector for electrically connecting said blade, said male connector being connected to the connector of said computer case; - a computer component support which is distinct from said chassis and distinct from said case and which has a plurality of open locations suitable for receiving said computer components by translational motion in a longitudinal direction of the location; the component support being mounted in such a way as to be movable along a slide link relative to the chassis between a first position, in which the support is substantially inserted in the chassis, and a second position, in which the support is at least partially extracted from the chassis, so as to leave clearance in line with the set of locations in the longitudinal direction of each of said locations in order to enable the insertion and the extraction of the computer components by translational motion in said longitudinal direction of each of the locations; said locations having guide means for guiding the computer components in translation, each of the locations having at its bottom a connector which is connected to the male connector of the chassis, the connector being suitable for electrically connecting the computer component when the latter is inserted in the location; - a ribbon of electrical wires connecting the connectors of said locations to an intermediate connector; characterized in that said blade additionally comprises: - a control device which is mounted on the chassis and which carries both the intermediate connector and the male connector, for connecting the computer components to the chassis via the ribbon and the intermediate connector and for controlling said computer components; - an electronic board which carries the connectors of said locations and which is arranged at the bottom and on an inner face of the support, between the computer components and said inner face; and in that the slide link between the chassis and the support is formed by lower slides and lateral slides which are distinct from the lower slides, all of these being arranged between the chassis and the support, the lower slides having one rail which is fixed in relation to the chassis and another rail which is secured to the support and which bears the weight of the support in translation, and the lateral slides having one rail which is fixed in relation to the chassis and another rail which is secured to the support and which laterally guides the support in the chassis. - a chassis which is distinct from said case and which comprises a male connector for electrically connecting said blade, said male connector being connected to the connector of said computer case; - a computer component support which is distinct from said chassis and distinct from said case and which has a plurality of open locations suitable for receiving said computer components by translational motion in a longitudinal direction of the location; - a ribbon of electrical wires connecting the connectors of said locations to an intermediate connector; - a control device which is mounted on the chassis and which carries both the intermediate connector and the male connector, for connecting the computer components to the chassis via the ribbon and the intermediate connector and for controlling said computer components; - an electronic board which carries the connectors of said locations and which is arranged at the bottom and on an inner face of the support, between the computer components and said inner face;