ALL-BLACK mighty CPU air cooler giant heatsink 90mm thickness for powerful heat dissipation Pure copper botom with five pieces 6mm nickel plated heat pipes maximize thermal conductivity AK500 Efficient 240w TDP CPU air cooler with unique “chessboard” fins design of AK Series Balanced Bidirectional Heat Pipe Technology(BBHT), optimizing heat pipes liquid and internal structure of CPU air cooler for reducing negative effect caused by gravity to achieve summit heat dissipation performance in vertical PC case Standing 158mm tall suits ATX/ M-ATX case and 117mm width without blocking any RAM slots 120mm PWM fan 1850RPM offers 68.99 CFM air flow cools the giant heatsink efficiently Noise damping pads in fan corners avoid vibration which keep noise level under 31.5 dB(A)