Recently we released several heat sinks for our existing Nano boards. Each of these heat sinks only applies to one or multiple but not all the Nano boards. Here is a list of heat sinks to their the boards.

Heat Sink-T2/T3 works with NanoPC-T2 and NanoPC-T3
http://www.friendlyarm.com/index.php?ro ... uct_id=124

Pure Aluminum Heat Sinkwith 3M thermal paste works with NanoPi2, NanoPi 2 Fire, NanoPi M1 and M2
http://www.friendlyarm.com/index.php?ro ... uct_id=128

M3-heat-sink works with NanoPi M3
http://www.friendlyarm.com/index.php?ro ... uct_id=133

Heat sink for NanoPi NEO
http://www.friendlyarm.com/index.php?ro ... uct_id=134