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Boxed Intel Core i9-7900X Processor Extreme Edition(13.75M Cache, up to 4.30 GHz) FC-LGA14B SKYLAKE X

Intel Core i9-9820X X-Series Chip ILGA2066, 3.3G 16.5MB

Intel Core i9-10940X 10th Gen Desktop Processor 14 Core

Intel Core i9-7980XE 18-Core Processor Spearheads Beastly Core X

List of Intel Core i9 processors - Wikipedia

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Intel Core i9-7980XE 18-Core Processor Spearheads Beastly Core X

Intel Core i9-14900K Unlocked Desktop Processor - Up to 6.0 GHz

Intel Core i7-6950X Processor Review - 10-core Broadwell-E

Intel's 18-core chip was a risk. It will probably pay off.

SRGSJ - Used - INTEL CORE X 12 CORE PROCESSOR I9-10920X 3.50GHZ