yes.  i9-12900 is Dell validated cpu for R13. The following table lists the details of the processors that are supported by your Alienware Aurora R13. 12th Generation Intel Core i5-12400 65 W 6 12 Up to 4.4 GHz 18 MB 12th Generation Intel Core i5-12400F 65 W 6 12 Up to 4.4 GHz 18 MB 12th Generation Intel Core i5-12600K 125 W 10 16 Up to 4.9 GHz 20 MB 12th Generation Intel Core i5-12600KF 125 W 10 16 Up to 4.9 GHz 20 MB 12th Generation Intel Core i7-12700 65 W 12 20 Up to 4.9 GHz 25 MB 12th Generation Intel Core i7-12700F 65 W 12 20 Up to 4.9 GHz 25 MB 12th Generation Intel Core i7-12700K 125 W 12 20 Up to 5 GHz 25 MB 12th Generation Intel Core i7-12700KF 125 W 12 20 Up to 5 GHz 25 MB 12th Generation Intel Core i9-12900 65 W 16 24 Up to 5.1 GHz 30 MB 12th Generation Intel Core i9-12900F 65 W 16 24 Up to 5.1 GHz 30 MB 12th Generation Intel Core i9-12900K 125 W 16 24 Up to 5.2 GHz 30 MB 12th Generation Intel Core i9-12900KF 125 W 16 24 Up to 5.2 GHz 30 MB  
I am currently using i5-12400 CPU. Can I swap this out with a i9-12900 CPU?
Aurora R13, i9-12900 CPU?