·         Put the Synology DiskStation DS220j into power save mode. ·         Remove the two hard disk bays from the computer. ·         On the same side as the power button is where you'll find the slot for the RAM. ·         Remove the freshly acquired RAM from its container and place it on your computer. ·         Place the module into the slot with care, making sure that the notch on the slot matches the notch on the module. ·         Replace the hard drive bays in the computer. ·         These actions are not required, but doing them is strongly advised. ·         Launch the Synology Assistant application. ·         Simply choose the gear icon located in the top-right corner. ·         Memory tests should be enabled. ·         To begin the memory test, select Synology DiskStation DS220j from the list and then right-click it. ·         After the completion of this test.