1) Intel itself listing Meteor Lake as 125 W.
https://download.intel.com/newsroom/2021/client-computing/Intel-Accelerated-2021-presentation.pdf (See slide 36)
2) Intel Management Engine Software listing MTL-S desktop.
https://videocardz.com/newz/intel-14th-gen-core-meteor-lake-s-spotted-in-management-engine-update
3) LGA1851 Interposer for Meteor Lake desktop:
https://www.tomshardware.com/news/intel-meteor-lake-s-cpu-tool-surfaces-for-desktop-pc-chips
4) The desktop 1851 Meteor Lake socket:
https://wccftech.com/intel-meteor-l...-1851-socket-full-socket-v1-details-leak-out/
5) MTL-S desktop is in Linux 6.3:
https://wccftech.com/intel-14th-gen-meteor-lake-s-desktop-cpu-support-added-linux-patch/
6) MTL-S desktop is in Linux 6.5 just this summer:
https://www.phoronix.com/news/Meteor-Lake-S-Linux-6.5
7) Leaked Intel slides listing MTL-S, although only 65 W and not all the way up to 125 W base power:
8) Intel's own documents listing desktop power supply requirements for meteor lake and for desktop platform controller hubs. Cannot link, they are now behind restricted website walls.
9) Chromium drivers listing MTL-S.
https://github.com/intel/dptf/blob/...435925407c0/Common/esif_ccb_cpuid.h#L108-L112
10) Then you have just the general rumors of people speculating that I won't bother to bring up.
None of this forces Intel to launch a desktop Meteor Lake chip. But it would certainly make a nice SFF PC, HTPC, or industrial PC even if it just just an H laptop chip put into a desktop socket.