Prices for the 400-series of motherboards from MSI have been leaked online, with the cheapest board costing €200 (US$217) and the most expensive board costing €960 (~US$1,044). These new components will support the LGA 1200 socket that is required for Intel's upcoming Comet Lake-S series of desktop processors.
https://www.notebookcheck.net/Prices-for-MSI-400-series-motherboards-for-Intel-Comet-Lake-S-leaked-EUR960-US-1-044-for-the-top-end-MEG-Z490-Godlike.462012.0.html