32 GPU folding rig cooling diagram

so, whole system is air-cooled. I didn’t use liquid cooling because of 3 main reasons (1) cost; (2) added risk of something going wrong; (3) complexity of montage in rack system.

As You see, cold air is pushed into 19″ closed rack cabinet. GPU-s suck cold air from the back part of the cabinet and pull it out from the front. I have 3 x 170 mm 240V AC fans doung the job in 4U cooling panel. More pictures after the break…

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