A system comprising a load port and a transfer module. In one embodiment, the load port includes a plate having a first opening and a second opening, a first workpiece access port, a second workpiece access port and at least one storage location. The storage location(s) may be located either beneath the second workpiece access port or above the first workpiece access port. The transfer mosule, which is located adjacent the load port, includes a load arm for moving the workpiece containers between the first workpiece access port, the second workpiece access port, any of the storage shelves and a material transport system.