Arctic has just revealed a new passive CPU cooler designed for LGA115x processors. The Alpine M1 Passive is a fan-less CPU cooler designed with a cooling capacity of 48W TDP. So with that it is only recommended for dual-core LGA1150 and LGA1151 Core i3, Pentium, Celeron, or energy-efficient Core i5 processors.
The cooler measures in at 95 mm x 95 mm x 69 mm (LxDxH), it weighs in at 508 g. It has a pretty simple design, a big piece of aluminum that is made up into a heatsink with a large number of fins. There is a bulge near the CPU area with pre-applied thermal paste. This could be a viable option for low-power builds. It is available now for around $13.