A data storage device may include a first memory board and a second memory board, where the first memory board and the second memory board each comprise multiple memory chips. The data storage device may include a controller board that is arranged and configured to operably connect to the first memory board and the second memory board, where the controller board includes a high speed interface and a controller that is arranged and configured to receive commands from a host using the high speed interface and to execute the commands, where the first memory board and the second memory board are each separately removable from the controller board.