2x8 GB total 16Gb should work in this model Inspirion 24 3464 according to user benchmark. Dell Inspiron 3464 AIO Performance Results - UserBenchmark Dell Inspiron 3464 AIO Performance Results - UserBenchmark
 At startup, a message appears that the amount of system memory has changed. Memory testing gives the result - Validation: 78934. What does this mean?
RAM