Lenovo ThinkCentre M900 10NE. Lenovo ThinkCentre X1 10JW. Lenovo ThinkCentre X1 10JX. Class: DDR4. Lenovo ThinkCentre M900 10FL. Capacity: 16GB. Kit Capacity: 16GB. Your computer loads a program or file you select from the hard drive in to your computers RAM, then it will access each bit of data from there.
eBay