Well the answer is...............
3 x 370mA fans at 4.4v drawing 300mA and 2 x D5 pumps at 7v is the safe limit with the shared 3&4 channels heating to 85c. Adding a 4th fan on the channel pushes it to draw 420mA and right on 95c.
Test Config
Ch1 Waterflow meter 68c
Ch2 1 x D5 running @ 7v 800mA 68c
Ch3 3 x 370mA fans running at 4.4v 300mA 85c
Ch4 1 x D5 running @ 7v 800mA 85c
This means in theory you could run 2 x D5s and 6 x 370mA fans across the other 2 channels. (i have a flow meter on ch1 which you could theoretically put another 3 fans on)






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