A storage-access apparatus includes a first support device including a first base; at least one first storage-access device and at least one first storage device, disposed on the first base and arranged in a first circle; a second support device including a second base; at least one second storage-access device and at least one second storage device, disposed on the second base and arranged in a second circle; and a transporting device, wherein the first storage-access device, the first storage device, the second storage-access device and the second storage device each has plural compartments, the transporting device corresponds to the compartments, and the first storage-access device and the first storage device can rotate relative to the second storage-access device and the second storage device. Accordingly, the storage-access apparatus can be employed in depositing and picking up products independently. Also disclosed is a storage system including, among others, the storage-access apparatus.