https://wccftech.com/id-cooling-introduces-the-is-47k-a-low-profile-cpu-cooler/

ID-COOLING announces the IS-47K, a CPU cooler that is perfect for the small form factor PC builders, this is because this CPU cooler has a height of just 47 mm. One exciting feature of this CPU cooler is that the fan attaches to the bottom of the heatsink, instead of to the top of the heatsink, unlike conventional low-profile CPU coolers.

The IS-47K CPU cooler features a low-profile design, and this design makes this CPU cooler perfect for ITX PC cases. This CPU cooler features a maximum height of just 47 mm, and in addition to being perfect for ITX PC cases, this CPU cooler is compatible with all high-profile memories. The included PWM fan located on the bottom of the heatsink and the fan pushes air to the cooler to bring better heat transfer from the CPU and parts of the motherboard as well.