FAN-0148L4 4pin fan for GPU in CSE-747 (Rear Exhaust FAN 11K-RPM )
80x80x38mm 11KRPM - 80mm Fan - 11000RPM Fan Speed
FAN-0094L4 4pin hot-plug bow fan for CSE-523 823 825 826 835 836 846 936
( 80x80x38mm fan plug in the case middle)
FAN-0165L4 Blow fan 40mm 14400RPM for 1U Twin Pro
40mm Fan - Double Ball Bearing - 14400RPM Fan Speed - 40x40 x 56mm Counter-Rotating Fan