I purchased some copper heatsinks (better than Aluminum ones as copper transfer more heat). 

<a href="https://helloacm.com/wp-content/uploads/2020/09/heat-sink-8-pieces-copper.jpg"><img src="https://helloacm.com/wp-content/uploads/2020/09/heat-sink-8-pieces-copper.jpg" alt="" width="660" height="207" class="alignnone size-full wp-image-92010" /></a>

However, when I attached them one by one carefully onto my AMD Radeon 6700 Graphic card, there was a sparks of flash and my screen went black.

The <a href="https://helloacm.com/hpz800-server-does-not-support-hard-drives-larger-than-2tb/" title="HPZ800 Server Does Not Support Hard Drives Larger Than 2TB">HPZ800</a> can reboot - which still works showing some basic text on BIOS - however, the windows also went dark. I guess some units were short-circuit-ed and thus damaged. 

Lessons learned: I should really do this when server is turned off. And also avoid directly attaching the copper heatsinks on the board - as it might burn the board because the copper is Conductive. You might want to attach the heatsink on the chips (CPU).

<a href="https://helloacm.com/wp-content/uploads/2020/09/copper-heat-sinks-on-graphic-card.jpg"><img src="https://helloacm.com/wp-content/uploads/2020/09/copper-heat-sinks-on-graphic-card.jpg" alt="" width="646" height="484" class="alignnone size-full wp-image-92011" /></a>

I then have to replace this graphic card with Nvida Qudra 2000 and re-attach the copper heatsinks on to the motherboard of HPZ800 server. The Nvida Qudra 2000 GPU card is not that hot - on normal <a href="https://helloacm.com/how-to-monitor-the-cpu-temperature-of-raspberry-pi-using-python-script/" title="How to Monitor the CPU Temperature of Raspberry PI using Python Script?">temperature</a> range of 50 to 70 degree.

--EOF (<a title='The Ultimate Computing & Technology Blog' href='https://helloacm.com'>The Ultimate Computing & Technology Blog</a>) --

Reposted to [Computing and Technology](https://helloacm.com/accidentally-damaging-the-graphic-card-by-putting-heatsink-copper-on/)

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