Oscar.M,   You can locate those details for each switch/series here, but the ones you listed are shown below.   N3048P ** 24-May-2023 PC 6248P ** 27-Aug-2020 N4032 ** 29-Apr-2024 N1548P ** 29-Jul-2028 N2048P ** 29-Oct-2025   Let me know if this helps.    
Hello,  I would like to know which is the end of life date for: - Dell  N3048P - Dell PowerConnect 6248P - Dell N4032 - Dell N1548P - Dell N2048P   If there is a place where I can consult I would appreciate it.   Thanks,
End of life Dell switches