A high-rate laser marking machine (5, 5', 5") for supports, optionally cards, optionally comprising integrated circuits, the marking machine (5, 5', 5") comprising at least one transfer device comprising a transfer path transporting the supports to be marked or already marked, respectively to or out of the laser chamber (59, 59', 59"), comprising: - at least one laser chamber (59, 59', 59") comprising at least two marking locations (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b") for receiving supports to be marked on at least one face by at least one laser marking means (52, 52', 52") producing a laser beam; said laser marking means comprising - optical means arranged to deflect the laser beam onto one of the marking locations (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b") and to mark a support onto this marking location (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b"), characterized in that: it is linked to an information system comprising a database storing marking data to be transferred to the laser marking machine (5, 5'. 5") and generating orientation data for orienting the optical means directing the laser beam to the one of the marking locations (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b"), the laser marking means (52, 52', 52") are fixed and the optical means comprise a production element of a laser beam as a function of the marking data stored in the database of the information system, a deflection element of the laser beam receiving the laser beam produced to direct it to one of the marking locations and to direct it to the supports during laser marking, as a function of the orientation data received about the supports and a refining element of the laser beam the laser chamber comprises two distinct intra-chamber transfer paths (Va, Vb), each activated by a respective drive mechanism and arranged parallel relative to one another, each intra-chamber transfer path (Va, Vb) comprising three locations (51a, 52a, 53a, 51b, 52b, 53b) including an inlet location (51a, 51 b), a marking location (52a, 52b) and an outlet location (53a, 53b), the supports to be marked being housed horizontally in the locations, the two inlet locations (51 a, 51 b) being arranged in the vicinity of the loading device comprising at least a divergence manipulator for loading the supports to be marked coming from the single-path transfer device on one of the two inlet locations (51a, 51b) of the intra-chamber paths, the two outlet locations (53a, 53b) being arranged in the vicinity of the unloading device comprising at least one convergence manipulator enabling the marked supports to be unloaded from one of the two outlet locations (53a, 53b) on the transfer device having one transfer path, the laser marking means being arranged facing the two marking locations (52a, 52b) and the axis of symmetry of the laser beam produced by the laser marking means being arranged in a plane perpendicular to the marking locations, the laser beam being capable of scanning the marking locations (52a, 52b) and scanning a marking location (52a, 52b) of one transfer path (Va, Vb) at the same time, and the drive mechanisms of the two intra-chamber transfer paths (Va, Vb), of the convergence and divergence manipulators of the loading devices and, respectively, unloading devices and of the deflection element are controlled alternately by the information system, enabling a support housed on the marking location of a first intra-chamber transfer path to be marked, while the other intra-chamber transfer path supplies another support to be marked on its marking location. - at least one laser chamber (59, 59', 59") comprising at least two marking locations (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b") for receiving supports to be marked on at least one face by at least one laser marking means (52, 52', 52") producing a laser beam; said laser marking means comprising - optical means arranged to deflect the laser beam onto one of the marking locations (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b") and to mark a support onto this marking location (52a, 52a', 52a", 52b, 52b', 52b", 54a', 54a", 54b', 54b"), characterized in that: