Look like Desktop Chipset 600 series just supports gen 3 & 4[1] and PCIe gen5 ports are only available on AlderLake Desktop[2] not Mobile[3] processors. [1] ht

Look like Desktop Chipset 600 series just supports gen 3 & 4[1] and PCIe gen5 ports are only available on AlderLake Desktop[2] not Mobile[3] processors. [1] https://ark.intel.com/content/www/us/en/ark/products/series/218828/intel-600-series-desktop-chipsets.html https://ark.intel.com/content/www/us/en/ark/products/series/... [2] https://ark.intel.com/content/www/us/en/ark/products/134598/intel-core-i912900f-processor-30m-cache-up-to-5-10-ghz.html https://ark.intel.com/content/www/us/en/ark/products/134598/... [3] https://ark.intel.com/content/www/us/en/ark/products/132214/intel-core-i912900h-processor-24m-cache-up-to-5-00-ghz.html https://ark.intel.com/content/www/us/en/ark/products/132214/...