Samsung mass-producing 32GB DDR4 modules for servers
 

Samsung has begun mass-producing DDR4 memory modules for next-gen servers. The modules use Samsung's own chips, which are fabbed on "20 nanometer (nm)-class" process technology. Samsung tends to avoid specifics when discussing lithography nodes; in this case, it's referring to a fab process between 20 and 30 nm.

http://techreport.com/news/25298/sam...es-for-servers