https://www.techpowerup.com/292531/msi-intros-mag-h670-tomahawk-wifi-ddr4-motherboard
 
Intel debuted its Socket LGA1700 motherboard lineup with Z690, and later B660 and H610 chipset options, but the H670 seemed elusive. Motherboard vendors are slowly launching their H670-based offerings, and MSI joined the party with the MAG H670 Tomahawk WiFi DDR4. The board is very similar in design to the company's MAG B660 Tomahawk-series motherboards, but with a little more I/O, and a broader chipset bus. The key feature that sets the H670 apart from the B660 is the 8-lane DMI 4.0 chipset bus, compared to 4-lane DMI 4.0 on the B660.

Another key difference between the H670 Tomahawk and B660 Tomahawk is that the PCI-Express x16 slot is Gen 5 capable on the H670 board, but this is due to MSI's design choices. On paper, B660 platforms can have Gen 5 PEG slots. Yet another key differentiator between the H670 and B660 chipsets, is that the H670 puts out 12 PCIe Gen 4 downstream lanes, and MSI leveraged this to put out two chipset-attached M.2 NVMe slots with Gen 4 x4 wiring. Connectivity includes a 2.5 GbE wired networking interface driven by an Intel i225-V controller, an Intel AX200 WiFi 6 + Bluetooth 5.2 module; and 8-channel HD audio driven by the 12-year old Realtek ALC897 CODEC. The company didn't reveal pricing.
 
Hopefully pricing will be less than Z690 motherboards.