![Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape, Aluminum Heat Sink Cooler and Copper Heatsink]({"https://m.media-amazon.com/images/I/71Qh6rpogHL._AC_SS130_.jpg":[130,130],"https://m.media-amazon.com/images/I/71Qh6rpogHL._AC_SS260_.jpg":[260,260],"https://m.media-amazon.com/images/I/71Qh6rpogHL._AC_SS390_.jpg":[390,390]})
I actually bought this for my Radeon RX 5700 XT because I am watercooling the card with a core-only waterblock, and needed heatsinks for the VRAM/VRMs and this kit worked perfectly and was much cheaper than Vram heatsinks alone sold by other suppliers.
My only complaint is about the black 3M adhesive on the copper shims, I was planning to use them to add mass to the aluminum heatsinks but the adhesive was absolute garbage and did not stick to my GDDR6 modules once they warmed up, despite the fact I cleaned them very well with isopropanol. However, the white thermal adhesive on the aluminum sinks is very good.
For the price there is nothing better, however, these heatsinks don't have a lot of mass, so if you're using them to cool parts with higher wattage parts than seen in a Raspberry Pie, you're going to want airflow over the heatsinks.
Here are the results from my card with and without airflow over the heatsinks:
Without airflow:
VRM: 82c | Mem VRM1: 78c | Mem VRM2: 76c | GDDR6: 94c
With a medium speed 120mm fan blowing over the card:
VRM: 72c | Mem VRM1: 61c | Mem VRM2: 59c | GDDR6: 79c
The results with airflow are very near those of AIB cards with large aircooled heatsinks, so this solution works excellently.
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