Lenovo 4 GB DDR4 2133 MHz Non-ECC UDIMM Memory (4X70K09920)

Adding more memory increases system performance. The Lenovo 4 GB DDR4 2133 MHz Non-ECC UDIMM Memory offers low-power, high-speed operation memory used by DDR4 SDRAM devices, and allows you to upgrade your system's performance and enhance its ability to run more programs simultaneously. Test-proven 100% compatibility listed for supported systems.