The function of the Whatsminer M31S water cooling plate is to improve the mining performance and cool the temperature of the Whatsminer M31S hash plate. The aluminum water cooling plate is specially used for the cooling system of Bitcoin mining. Whatsminer M31S consists of three water cooling plates. One side of the hash plate is connected to the water cooling plate, which is fixed with screws during installation.

Product list:

Whatsminer M31S water cooling board*3

1 point 3 water divider*2

Hash board card slot aluminum strip * 6

Silicone water pipe*2m

Main water pipe*2m

Multiple clamps


To purchase the M31S water-cooling board, you need to provide the sales staff with the miner's hash rate and the hole spacing size of the hash board.
E.g.:

WhatsMiner M31S hash board water cooling board modification steps:

1. Remove the heat sink screws of the hash board. Note: The screws in the middle of the heat sink must be removed together.

2. Use a circuit board cleaning solution and a dust-removing cloth to clean the heat-conducting stickers and thermal-conducting silicone grease on the front and back of the hash board, and be careful not to damage the components of the hash board when cleaning.

3. Evenly coat the smooth side of the water cooling plate with thermal conductive silicone grease.

4. Install the screws through the holes, and then install the hash board according to the position of the screw holes.

5. Install heat conduction stickers on the chip position of the hash board.

6. Install another water cooling plate, and install and fasten all the screws.

7. Refit the other two hash boards in the same way, and then put them back into the case. Note: A spacer can be installed at the contact position between the hash board and the casing to ensure that the hash board components will not be damaged.

8. Install the power supply and tighten the screws.

9. On the side of the water nozzle of the water cooling plate, use suitable screws to fix the baffle at the upper and lower ends.

10. Install the water pipe, cut the appropriate length, and tighten the water pipe joint. Instructions for the unconnected joints: the upper part is the water outlet, and the lower part is the water inlet.

11. Connect the remaining water pipes and water separators.

12. Finally, connect to the external radiator.