A:Answer The Lenovo Legion Tower 7i Gaming Desktop Computer, model number 90Q800CEUS, ships with the Firmware TPM 2.0 Security Chip that is required for upgrading to Windows 11. Microsoft is still finalizing the requirements to upgrade from the latest version of Windows 10 to Windows 11 at this time. Here is a link to more information about upgrading to Windows 11: https://docs.microsoft.com/en-us/windows/whats-new/windows-11-requirements. This model ships with 150W Airflow with RGB light cooling, plus 3x Front ARGB + 1x Rear ARGB system fans. This configuration ships with 16GB DDR4-3200MHz RAM (2x 8GB UDIMM ARMOR DDR4-3200MHz RAM), with Four DDR4 UDIMM slots, dual-channel capable. The maximum RAM this configuration can support is: Up to 128GB DDR4-2933MHz RAM. Here is a link to the complete parts list for this model configuration: https://pcsupport.lenovo.com/us/en/products/desktops-and-all-in-ones/legion-series/legion-t7-34imz5/90q8/90q800ceus/parts/display/model