Lenovo 4GB DDR4 2667MHz SoDIMM RAM

4GB Module ( 1 x 4GB ) | DDR4 2666 MHz / 2667 MHz ( PC4-21300 / PC4-2666V ) | DDR4 SO-DIMM ( 260-Pin ) | Non-ECC Unbuffered | 1Rx16 - Single Rank x16 | 1.2V - DDR4 Standard Voltage