This product is either discontinued or we cannot get that from suppliers.
Deepcool GAMMAXX DP-MCH4-GMX400EX 400 120mm PWM Fan CPU Cooler, Heatpipe Ø6 mm×4 pcs, Speed 500~1500 RPM±10%, Airflow 52 CFM, Air Pressure 2.07 mmAq, Noise 27.6 dB(A), Rated Current 0.07 A, Power Consumption 0.84 W, Black, Connector 4-pin PWM, Bearing Type Hydro Bearing, Rated Voltage 12 VDC.
GAMMAXX 400 EX is upgraded from GAMMAXX 400’s classic design. With more dense cooling fins and 2 Performance fans, the GAMMAXX 400 EX significantly enhances cooling performance.