I used this, a low profile copper heatsink and a 40mm Noctua fan to bring the temperature of my Samsung 970 Evo m.2 NVME drive down to over 20 degrees Celsius. I hit the high 80's when it was on the back of an Asus Z97i-Plus motherboard in a Mini-ITX case with little rear airflow. And now it's up to a maximum of 62C. Pretty big thermal pads if you ask me. And I have extra features for my GPU.
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