Noctua NH-U12S DX-3647 CPU cooler

97 mm
Ratings
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Product details

The NH-U12S DX-3647 CPU cooler from Noctua is a highly advanced cooling solution specifically designed for Intel Xeon processors on the LGA3647 platform. With a single tower design and a 120 mm heatsink, this cooler delivers excellent cooling performance, making it ideal for use in workstations and servers. The combination of two PWM-controlled NF-A12x25 fans ensures optimal airflow while minimizing noise levels, making it the perfect choice for noise-sensitive environments. The cooler is equipped with a professional SecuFirm2 mounting system that allows for easy installation, and the pre-applied NT-H1 thermal paste ensures efficient heat transfer. The NH-U12S DX-3647 is thus a reliable and powerful solution for anyone seeking quiet and effective cooling for their Xeon workstation or server.

  • Tailored solution for LGA3647 platforms
  • Optimal cooling performance with two NF-A12x25 fans
  • Low noise level of up to 22.6 dB
  • Professional SecuFirm2 mounting system for easy installation
  • Pre-applied NT-H1 thermal paste for efficient heat transfer.

Key specifications

Socket
LGA 3647
Diameter
120 mm
Number of fans
2x
Airflow
102.10 m³/h
power connector
4-pin PWM
Height (with fan)
97 mm

General information

Item number
12859251
Manufacturer
Noctua
Category
CPU coolers
Manufacturer no.
NH-U12S DX-3647
Release date
6.3.2020
External links
Manufacturer's site (de)

Colour

Colour
Beige
Exact colour description
Beige, Nickel, Red

Cooler properties

CPU cooler design
Single Tower
Fan type
Standard
Socket
LGA 3647
Supported fan sizes
120mm

Heat sink properties

Number of heatpipes
5
Materials radiator core
Aluminium
Material cooling fins
Aluminium

Fan dimensions

Diameter
120 mm

Fan properties

Number of fans
2x
Max. Speed
2000 RPM
Airflow
102.10 m³/h
Static pressure
22.95 Pa
Max. noise level
22.60 dB
LED colour
without LED
Fan bearing type
SSO

Connections

power connector
4-pin PWM

Power supply

Power consumption
1.68 W
Voltage
12 V

Scope of delivery

Scope of delivery
Y-cable, SecuFirm2 mounting kit

Origin

Country of origin
China

Product dimensions

Width (with fan)
158 mm
Length (with fan)
125 mm
Height (with fan)
97 mm
Weight
1018 g

Package dimensions

Length
23.10 cm
Width
20.50 cm
Height
15.70 cm
Weight
1.71 kg

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «CPU coolers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.be quiet!
    0.2 %
  • 1.Dynatron
    0.2 %
  • 1.Noctua
    0.2 %
  • 1.Thermalright
    0.2 %
  • 1.Xilence
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Arctic
    0 days
  • 1.be quiet!
    0 days
  • 1.Deepcool
    0 days
  • 1.Noctua
    0 days
  • 1.Thermalright
    0 days

Return rate

How often is a product of this brand in the «CPU coolers» category returned?

Source: Digitec Galaxus
  • 8.Endorfy
    3.8 %
  • 9.AMD
    4 %
  • 10.Noctua
    4.5 %
  • 11.ID-Cooling
    4.7 %
  • 12.LC-Power
    5.3 %
Source: Digitec Galaxus