Summary: fan damped with a small felt foot felt glider used for furnitures on the top of the fan box diameter 22mm thickness 3 4mm reduces the whine does not remove it Table 11 felt glider on the processor fan Akasa PAX mate in the fan outlets the cables black monitor cable in the middle black SATA cable below the case fan cables at the SATA
Image Dimensions: 600 x 368
Image originally found here.