The Intel® Core™ m3-6Y30 belongs to a new family of fanless processors. They are intended for clamshell notebooks (razor thin and fanless designs for ultra mobility and tablets.
There are 3 models available: m3, m5 and m7. All of them are ultra low voltage processors.
More details in the link below:
Intel® Core™ m3-6Y30 Processor (4M Cache, up to 2.20 GHz)