Noctua releases low-profile CPU cooler for SFF builds — NH-L12Sx77 has better clearance for RAM, VRM heatsinks
With the new NH-L12Sx77 CPU cooler, Noctua added more heatpipes and increased while maintaining its low-profile form factor as much as possible to provide better cooling and compatibility with other components on a mini-ITX motherboard.
Source: tomshardware.com