Notes and warnings Please note that the NH-U12S DX-3647 is a dedicated version for the Intel LGA3647. Due to its customised larger base, it cannot be used on any other sockets and is incompatible with Noctua’s standard mounting kits.
Cooler Specification
Socket compatibility Intel Xeon LGA3647-0
Height (without fan) 158 mm
Width (without fan) 125 mm
Depth (without fan) 45 mm
Weight (without fan) 626 g
Height (with fan) 158 mm
Width (with fan) 125 mm
Depth (with fan) 97 mm
Weight (with fan) 1018 g
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
NSPR 157
Max. TDP see NSPR
Fan compatibility 120x120x25
Scope of delivery
2x NF-A12x25 PWM fan
4-pin Y-cable
NT-H1 high-grade thermal compound (pre-applied)
SecuFirm2™ mounting-kit for LGA3647
Noctua metal case-badge
Warranty 6 Years
FAN Specification
Model 2x Noctua NF-A12x25 PWM
Bearing SSO2
Max. rotational speed (+/- 10%) 2000 RPM
Min. rotational speed (PWM, +/-20%) 450 RPM
Max. airflow 102,1 m³/h
Max. acoustical noise 22,6 dB(A)
Input power 1,68 W
Voltage range 12 V
MTTF > 150.000 h