The biggest issue with Mini-ITX builds using Intel’s 12th Gen CPUs is motherboard CPU cooler compatibility or lack of. This issue is not limited to just low profile coolers, but also larger tower style coolers.
NOCTUA NH-L9I-17XX CHROMAX.BLACK
Noctua NH-L9i-17XX chromax.Black has max height of 37mm and no motherboard or ram compatibility issues. The L9i-17XX includes single NF-A9x14 chromax.Black fan which operates at faster RPM than the standard version.
THERMALRIGHT AXP90-X47 FULL
Thermalright’s AXP90-X47 FULL is an all copper low profile CPU cooler which comes included with 92x15mm red fan. It has a height of 47mm when equipped with 15mm think fan or 57mm with 25mm thick fan.
THERMALRIGHT AXP90-X53 FULL BLACK
Thermalright’s AXP90-X53 FULL BLACK is an all copper low profile CPU cooler which comes included with 92x15mm black fan. It has a height of 53mm when equipped with 15mm think fan or 63mm with 25mm thick fan.
THERMALRIGHT AXP120-X67
Thermalright’s AXP120-X67 is low profile CPU cooler which comes included with 120x15mm fan. It has a height of 67mm when equipped with 15mm think fan or 77mm with 25mm thick fan.
THERMALRIGHT SI-100
Thermalright’s SI-100 is a 120mm class low profile CPU cooler, with similar performance to the C14S. The SI-100 is 100mm in height vs. NH-C14S at 115mm in LP mode. The SI-100 is however substantial cheaper.