HYPER 212 BLACK RR-S4KK-25SN-R1 The Cooler Master RR-S4KK-25SN-R1 HYPER 212 (A CLASSIC REVITALIZED) 120mm 4-Pin PWM 2500RPM CPU Air Cooler (Black) is an air cooling system for CPUs. Here are some key features of this product: 4 copper heat pipes with an...