Mine is slightly newer looking at the time stamps, the software guy churns out a new (better) revision every 3 hours or so.
You might want to upgrade to latest fw version via OTA, it gives the stablest >1.5TH/s hashing rate we had so far!

I have, posted results about 3 posts up :p Zvisha and I have a separate email chain as to not spam you all with firmware testing.