A:Answer This Lenovo ThinkCentre M90q Tiny Desktop Computer, model number 11CR003LUS, ships with 16GB DDR4-2933MHz RAM installed (1x 16GB SO-DIMM DDR4-2933MHz RAM), within two DDR4 SO-DIMM slots, dual-channel capable. The maximum RAM this configuration can support is: Up to 64GB DDR4-2933MHz RAM. We recommend you consult with your certified technician about your RAM upgrade options.