Amazon has the Intel Core i9 (12th Gen) i9-12900KS Gaming Desktop Processor (?BX8071512900KS) for $245 with free shipping. Features integrated Intel UHD 770 Graphics, 16 Cores, 2.50 GHz Base clock. Has excellent Amazon Reviews.

Amazon has the Intel Core 12th Gen i5-12600KF Desktop Processor (BX8071512600KF for $135 with free shipping. List price: $311. Features compatible w/ Intel 600 series & 700 series chipset-based motherboards, LGA 1700 socket, 4.9/3.7 GHz Single P-core Max/Base Speed, 3.6/2.8 GHz Single E-core Max/Base Speed.

Has excellent Amazon Reviews.