MIUI 11 Public Beta/Stable version Support Devices and as of now this is the only initial list.
Including with this chipset:
• Snapdragon 855/855Plus, 845, 835, 821, 730, 712, 710, 675, 665, 660, and 625
• MediaTek P60, P35, P22, A22
• Xiaomi Surge S1
Is your device included? Let us know.