Ax - Ddr4 - 16 Gb - So-Dimm 260-Pin - 2400 Mhz / Pc4-19200 - Cl17 - 1.2 V - Unbuffered - Non-Ecc - For Lenovo 320-14, 320-15, 320-17, 720S-14, Flex 5 1470, 5 1570, Yoga 520-14