If you're considering the WD Blacks, it's worth bearing in mind just how expensive those things are. I also find them significantly louder than most other drives on the market. No question that they perform well when compared to other HDDs, they're measurably faster than a lesser drive, but they're priced at around 70% higher than something like a WD blue (5400 RPM), and the double the price of a 7200RPM Seagate drive. I don't know quite what the performance advantage is to the Blacks, but I can guarantee you there will be between very few and absolutely no situations where it's 70% faster than a Blue or Seagate 7200RPM drive.
Just FYI, as a point of comparison, for the price of a 2TB WD Black you could actually get a 2TB Blue, or 2TB Seagate drive AND a cheap SSD. Then you could leverage Intel RST to utilise the SSD as a read + write cache for the slower HDD. Of course, this suggestion is extra complexity, points of failure, and plenty on the forums here don't have much respect for the build quality or reliability of Seagate drives, so that needs to be considered.
I'm merely making the point that you pay A LOT of money for the privilege of a WD Black. For some, that will absolutely be worth it, but just make an educated decision for yourself.