Anandtech published Intel Core i9-9990XE : Up to 5.0 GHz, Auction Only
A quote from the article:
AnandTech has seen documents and supporting information from multiple sources that show that Intel is planning to release a new high-end desktop processor, the Core i9-9990XE. These documents show that the processors will not be sold at retail; rather they will only be sold to system integrators, and then only through a closed online auction.Intel Core i9-9990XE : Up to 5.0 GHz, Auction Only