FrostyTech has put up a review on the 1U Spire 5R057B1M3R Heatsink

The 5R057B1M3R, or Model 5R for short is 24mm tall 1U cooler made from copper fin sections soldered a copper base plate. The base plate features cut-away sections on either side to improve the overall cooling effect and should offer decent cooling if we take into consideration how previous Spire heatsinks have done.

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