This product is either discontinued or we cannot get that from suppliers.
Lenovo 4X70M60573 Sodimm, Capacity 4GB, Memory DDR4, RAM Speed 2400MHz, Green.
Lenovo 4 GB DDR4 2400 MHz SoDIMM Memory (4X70M60573) Adding more memory increases system performance. This Lenovo 4GB DDR4 2400Mhz SoDIMM Memory allows you to upgrade your system’s performance.