Aquaero 5: Max Current per channel: 1,65A, but all 4 channels together 5A. If you want these 4 pumps, you had to buy an extra device ( poweradjust 2, permanent 25W, peak 48W, max 6 poweradjust 2 connectable via aquabus).
Better ask Phatboy69, he can answer this qustion better. Look at his monster gaming rig:
Fully Loaded Aquaero 5 XT Installation!
Misteeq