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Intel “Nova Lake-S” Uses 2L-ILM Socket for Better CPU Cooler Contact

Intel categorizes its desktop sockets in various forms. One of the most basic is the Default-ILM, along with the RL-ILM. As seen with “Arrow Lake,” Intel’s motherboards divide the socket locking mechanism into the ILM and RL-ILM designs, applied depending on the sector. For the lower-end sector, the Default-ILM socket is used, while the RL-ILM is applied to higher-end overclocking motherboards, providing better pressure and ensuring a flatter surface contact for a cooler. Noctua and Cooler Master already differentiate these two in their CPU coolers, but the mounting hardware is generally the same for both. The RL-ILM is simply a better design for overclocking due to the improved surface contact it provides.
Some readers may recall that Intel used its 2L-ILM on the older LGA 2011-3 HEDT socket back in the era of X99 Express motherboards, more than a decade ago in 2014. This HEDT platform featured 2011 LGA pins, which is close to the 1954 LGA pins we see with NVL-S. It seems that having close to 2,000 pins in the LGA socket requires two levers due to the pressure needed for the application of the CPU, as the surface area needs a stronger hold to ensure that every CPU contact pin on the package is electrically touching the pins on the socket it is mounted on.











