Kama bay plus enables you to install up to two 635cm 25in hard disks or one 889cm 35 hard disk and cool these at the same time with the ex factory installed fans as the fan the slip stream slim 120mm casing fan can be used which is optimally suited for low noise cooling kama bay plus can be installed horizontally or vertically in the casing in order to improve the flow of air in the casing and cool the hard disk at the same time