SAMSUNG 990 PRO w/ Heatsink SSD 2TB

I got the Samsung 990 Pro 4TB, only to discover that it overheats badly.  I have good cooling in my case, mesh sides with Noctua fans, so the airflow is excellent.  However, it's a mATX board, so the video card sits directly above the SSD, preventing me from getting more than a basic 5mm-or-so heatsink. Without the heatsink, this thing idles at 75 degrees Celsius.  Yes, you heard me correct:  it *idle*s at 75 degrees.  When transferring files, I've seen it get as high as 102 degrees Celsius, and if I try to transfer more than about 50 GB at once then it will shut the machine down completely. Now that I was able to add a small heatsink, the situation is better.  But I'm paranoid that I've done damage to the drive from when I was using it without a heatsink, and so I no longer trust it. Since I should have installed a heatsink to begin with, that makes me guilty of user error, so I'm not rating it at 1 star like I'm tempted to do.  But I feel like Samsung also bears some responsibility here, hence the 3-star rating.  In my opinion, it should come with clear instructions about how it requires a cooler (even just for normal usage).  Samsung could make that clear on the product packaging or something.  They should also clearly explain how to install the heatsink, and in particular whether or not to remove the sticker.  This is a very expensive product compared to its competitors, and the buyer deserves a heads up about these things.