Cooling for high-performance M2 SSDs is of course a thing, most of us will mount eh SSD into the motherboard which has some sort of heatsink. not everybody has that opportunity though, and some form of external cooling might be recommended. 

Thermalright's M.2 2280 PRO is such a unit. Not a bad-looking one either if I am totally honest. A new heat sink product that suppresses thermal throttling of NVMe M.2 SSDs that generate a lot of heat. The supported form factor is M.2 2280.A φ8 mm pure copper heat pipe is built in the center of the aluminum alloy heat sink. By quickly transferring the heat generated from the SSD to the heat sink, it demonstrates excellent cooling performance.

The color is silver-gray, the external dimensions are width 22.7 mm, depth 75 mm, height 11.7 mm, weight 45 g. Product warranty is one year and it costs around 15 USD/EUR.