Antminer S19i big board upgrade water cooling kit is suitable for installing an integrated water cooling board for Antminer S19i. This kit is an upgraded version of the ordinary S19i water cooling plate, which adopts an integrated upgraded water cooling plate with better air tightness, faster liquid flow speed, and a higher heat dissipation effect. The upgraded water-cooling kit includes 1 water-cooling board kit, 2 fan speed controllers, 1  water-cooling radiator fan, and 1 can of 4W hash board thermal grease, which helps miners successfully transform into water-cooled miners and improve mining efficiency.

Overview of product pictures:

The list of water cooling kits is as follows: