Cooler Master RR-I70C-20PK-R1, Aluminium with copper base, Noise 28 dBA, Air Flow 37 cfm, 4-pin fan connector, Voltage 12V, Blue, MTTF 280,000 hours, L-10 Life 40,000 hours, Power 2.4W. The Cooler Master RR-I70C-20PK-R1 i70C is a newly designed air cooler that compatible with intel LGA 115X sockets. It has a compact design that perfectly fits All-in-One systems or limited form factor cases.