4 GB DDR4 2133 MHz SoDIMM
Lenovo 4GB PC4-17000, 4 GB, 1 x 4 GB, DDR4, 2133 MHz
Adding more memory increases system performance. This Lenovo 4 GB DDR4 2133 MHz SoDIMM Memory 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.