Memory module system and method for operating a memory module

A memory module system, a memory module, a buffer device, a memory module printed circuit board, and to a method for operating a memory module is disclosed. In one embodiment, the memory module system includes at least a first, a second, and a third memory module. The first memory module is connected with the second memory module via a first connection and with the third memory module via a second connection, and is designed and equipped such that data, address, and/or control signals received by the first memory module are transmitted to the second memory module via the first connection and to the third memory module via the second connection.