The master air g100l may be a 68mm (2.7in.) low-profile CPU cooler, designed for little form factor cases and compact pc builds. Equipped with white led ring illumination for a singular look. Cooler Master MASTER AIR G100L Features 68mm low profile for mini-itx builds the low profile g100l stands at 68mm, an excellent fit slim pc cases, including mini-itx cases. Even at these small dimensions, the Cooler Master MASTER AIR G100L heatsink doesn’t compromise on cooling performance. The Cooler Master MASTER AIR G100L advanced tech inside a low-profile design the heatsink is formed of premium aluminum stacked fins and features a “Ufo” shape that houses the white led ring for a singular look and PWM high-performance 92mm fan. Cooler Master MASTER AIR G100L  Top-down airflow performance a high-performance 92mm PWM fan with a variety of 600 ~ 2400 rpm, cools not only the CPU but all surrounding components inside the case for exceptional thermal results. Quick and straightforward installation tool-free mounting kit makes installation a breeze