Offering 19 VXS slots and 2 switch slots, VMEbus Switched Serial backplane connects every switch to every VXS connector. Slots include 1 VME64x slot and 18 payload slots which can be connected, with slots J1/J2 being VME64x slots and J0 either VXS or payload slot. Transmission rate is 2.5 GB/sec for every slot simultaneously. Both VITA 41.1, for Infiniband, or VITA 41.2, for rapid I/O, are possible.