peamiselt lauaarvutites kasutatavate mälumoodulite (mälukiipe kandvate väikeste trükkplaatide) serva tehtud väljalõige, mis ei lase mälumoodulit valepidi pessa torgata
On a memory module keys are physical notches on the module that prevent the memory from being incorrectly installed in a computer system. Memory keys also prevent the memory from being installed into a incompatible computer system.
