Too bad that Amazon does not seal compatibility charts microphones for memory cards this would avoid wasting time and agent for both the provider and the customer. Easy Amazon professionals and suppliers have these tables, we as "amateurs" It would help us a lot. For my case with a microphone HP, it is unique and it's a hassle to find good bars A tip well and be looking on, before ordering to HP For Kingston modules for HP, the ref KVRxxxxx are not compatible, the KTH xxxxx have more opportunities, but hard to find except on Amazon ... Good luck