Noctua NH-U9B SE2 Review & Specifications

Noctua NH-U9B SE2 CPU Cooler

- Noctua

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The NH-U9B SE2 continues the legacy of Noctua's classic NH-U9 series of compact premium coolers, which have received more than 100 awards and recommendations from the international press. The new SE2 version lends itself to use in quiet HTPCs or smaller cases and adds support for LGA1156/1155/1150 as well as LGA1366 via the latest SecuFirm2™ multi-socket mounting system. Topped off with Noctua's award-winning NT-H1 thermal compound as well as two premium-grade NF-B9 fans, the NH-U9B SE2 offers a complete quality package for excellent quiet cooling performance.

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Specs Overview

Model NH-U9B SE2
Supported Sockets AM2, AM2+, AM3, AM3+, AM4, FM1, FM2, FM2+, LGA1150, LGA1151, LGA1155, LGA1156, LGA1366, LGA775
Liquid Cooler
Noise Level 7.9 - 17.6 dbA
Fan RPM 1000 - 1600 RPM
Height 4.92" (125mm)

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Video review

Video published by channel Skratchwiz (11/8/2011).

Cooler Specification


Socket compatibility

Intel LGA1366, LGA1156, LGA1155, LGA1150, LGA775, LGA2011 on request, Asus X-socket™ & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required)

Height (without fan)

125 mm

Width (without fan)

95 mm

Depth (without fan)

71 mm

Height (with fan)

125 mm

Width (with fan)

95 mm

Depth (with fan)

95/120* mm

Weight (without fan)

460 g

Weight (with fan/s)

550/640* g


Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Fan compatibility

2x 92x92x25mm

Scope of Delivery

  • 2x NF-B9 premium fan
  • 2x Ultra-Low-Noise Adaptor (U.L.N.A.)
  • 2x Low-Noise Adaptor (L.N.A.)
  • Y-Split Cable
  • NT-H1 high-grade thermal compound
  • SecuFirm2™ Mounting Kits


6 Years


FAN Specification



Noctua NF-B9



Rotational Speed (+/- 10%)

1600 RPM

Rotational Speed with L.N.A. (+/- 10%)

1300 RPM

Rotational Speed with U.L.N.A. (+/- 10%)

1000 RPM


64,3 m³/h

Airflow with L.N.A.

52,6 m³/h

Airflow with U.L.N.A.

41,1 m³/h

Acoustical Noise

17,6 dB(A)

Voltage Range

12 V


> 150.000 h

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