The refreshed GT77 will support PCIe5 NVMe SSDs and be nearly twice as thin as its GT76 predecessor. MSI is also bundling neat extras for early bird buyers like a 128 GB flash drive, MSI Lucky dragon keychain, and an M99 mouse.
https://www.notebookcheck.net/New-details-emerge-on-MSI-Titan-GT77-including-prices-75-W-Core-i9-12900HX-CPU-dimensions-ports-and-availability.622895.0.html