Hey there, Eclipsion!
It really depends on what you are planning to use the HDD for.
Both drives are good and reliable solutions for your system.
However, the Black as mentioned has a 5-year warranty period. Besides that, this HDD is specifically designed for delivering high performance in PCs working with demanding applications like video editing software and games.
While the WD Blue is a solid performance drive for everyday computing, it is also a pretty reliable choice.
It might be confusing for you because the 1TB versions of both drives overlap in specs, but put them side-by-side and the WD Black would out-perform the WD Blue.
I suggest to check more of their features here:
WD Black -...