Noctua NH-D15 G2 Multi-Socket PWM Air CPU Cooler – Chromax Black – Total height: 168 mm – Fan configuration: 2x 140x140x25mm (round) – NSPR: 228 – Colour: Black – Acoustical noise (max.): 24.8 dB(A) – Material: heatpipes: Copper, nickel plated – Number of heatpipes: 8 – Heatpipe diameter: 6 mm – Fin count: 58 – Mounting hole pitch: 78 mm – Rack unit compatibility: 5U – Base size: 44.6 x 51.6 mm – NH-D15 G2-CH-BK