What are the differences between the two? Which one is better for my Situation (2 EK full MoBo blocks, 2 EK GPU blocks and 4 Hardwarelabs Radiators). Will use an Aquaero 6 to power everything.
The aquastream xt is an eheim pump at heart.
I believe the aquastream is quiter than the D5, but the D5 has better head pressure and volume... but neither has a huge advantage over the other.
The D5 is the more common choice for PC cooling loops.
Both have integrated reservoirs available.