Based on this product's specifications, here are some alternatives and similar models
Interface Board for Dell U3219Q monitor, model 5E.44H01.011
Summary description:
Replacement interface board compatible with Dell U3219Q monitor, model 5E.44H01.011. Designed to restore or upgrade monitor connectivity and control functions, this board matches the original Dell specifications for the U3219Q. Suitable for repair technicians and users needing to fix display input, power-logic or on-screen control issues, returning the monitor to working condition.