For Antminer S7/S9 Delta QFR1212GHE Front/Back Universal 12V 2.7A Cooling Fan
L Applicable Model: for Antminer S7/S9. l Type: DELTA QFR1212GHE-9D89. l Can draw heat away from your device, improve heat dissipation. l Bearing: High Precision Double Ball Bearing. l Wind Pressure: 21.60mmH2O.