1st Gen to 4Th Gen

1 Dell E6430 i5 3rd 4G – 8G no yes yes no 11. 2 Dell E6420 i5 2nd 8G no yes yes yes 4. 3 Dell E5430 i5 3rd 4G no yes yes no 23. 4 Dell E5420 i5 2nd 4G no no yes no 1. 5 Dell E5430 i5 3rd 4G no no yes no 27.