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$273.26
FREE delivery: 26 Nov - 2 Dec
Fastest delivery: 18 - 22 Nov
Usually dispatched within 3 to 4 days.
$$273.26 () Includes selected options. Includes initial monthly payment and selected options. Details
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Noctua NH-D9 DX-3647 4U, Premium CPU Cooler for Intel Xeon LGA3647 (Brown)

4.7 out of 5 stars 34 ratings

Price: $273.26
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Enhance your purchase

Item dimensions L x W x H 9.5 x 9.5 x 11 centimetres
Brand Noctua
Voltage 12 Volts
Wattage 1680 Milliwatts
Noise level 25 dB

About this item

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  • Compact 92mm size (134mm height) for excellent PCIe compatibility and 4U support, high cooling performance thanks to 6 heatpipes, dual tower design and two NF-A9 premium fans, ideal for quiet 4U servers
  • Supports narrow and square type LGA3647 sockets for Intel Xeon Scalable (Platinum, Gold, Silver or Bronze, Skylake-SP/Purley) and Xeon-Phi platforms (Knight’s Landing, Knight’s Mill)
  • Two award-winning NF-A9 fans (push/pull dual fan configuration), supporting PWM for automatic speed control through the motherboard: silent at idle, full CFM performance when necessary
  • Pre-applied NT-H1 thermal compound and easy, straightforward installation thanks to SecuFirm2 mounting system and included processor clips
  • Trusted Noctua quality backed up by 6-year manufacturer’s warranty
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 9.5 x 9.5 x 11 cm; 1 Kilograms
  • Date First Available ‏ : ‎ 28 September 2018
  • Manufacturer ‏ : ‎ noctua
  • ASIN ‏ : ‎ B07DPQJH5J
  • Item Model Number ‏ : ‎ NH-D9 DX-3647 4U
  • Customer Reviews:
    4.7 out of 5 stars 34 ratings

Frequently bought together

  • Noctua NH-D9 DX-3647 4U, Premium CPU Cooler for Intel Xeon LGA3647 (Brown)
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Product Description

header

Noctua’s DX line CPU coolers have become a default choice in premium grade quiet cooling solutions for Intel Xeon processors. The NH-D9 DX-3647 4U features a larger, custom-designed contact surface and supports both square and narrow type LGA3647 platforms. Based on the proven, 92mm size NH-D9L heatsink and equipped with two of Noctua’s award-winning, PWM controlled NF-A9 92mm fans (high-efficiency 2500rpm version), it combines strong performance with excellent compatibility for 4U systems and other space-restricted applications. Topped off with the professional SecuFirm2 mounting system and pre-applied NT-H1 thermal compound, the NH-D9 DX-3647 4U forms a complete premium quality package for quietly cooling LGA3647 based Xeon workstations and servers.

d9l d9dx i4 3u d9 dx-3647 4u d9 dx-4189 4u
NH-D9L NH-D9DX i4 3U NH-D9 DX-3647 4U NH-D9 DX-4189 4U
LGA2066, LGA2011-0 & LGA2011-3 X X
LGA1200 X X X
LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) X X X
LGA775 & LGA1366 with NM-I3 X X X
Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 X X X
Xeon LGA3647 X X X
Xeon LGA4189 X X with NM-i4189
AM2(+), AM3(+), FM1, FM2 (+) X X X
AM4 with NM-AM4 X X
TR4 & SP3 X X X X

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
34 global ratings
5 star
81%
4 star
13%
3 star
6%
2 star 0% (0%) 0%
1 star 0% (0%) 0%
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Top reviews from other countries

H. Lieb
5.0 out of 5 stars super Lüfter
Reviewed in Germany on 19 June 2020
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GIANCARLO DE MARCO
5.0 out of 5 stars Ventola ottima, molto performante e silenziosa
Reviewed in Italy on 29 March 2020
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Venker Samuel
5.0 out of 5 stars Il fait très bien le job et il est silencieux...
Reviewed in France on 4 August 2019
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MyReview
5.0 out of 5 stars It works!!
Reviewed in the United States on 8 November 2018
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4 people found this helpful
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E
5.0 out of 5 stars Thank god someone offers cooling for the LGA3647 socket
Reviewed in the United States on 30 June 2021
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5.0 out of 5 stars Thank god someone offers cooling for the LGA3647 socket
Reviewed in the United States on 30 June 2021
- Very easy install
- Clears RDIMM sticks with ease
- Silent
- Good cooling

Every time I look at them I am reminded of bridge towers on a star destroyer, lol. I'll be rocking with these until someone drops an affordable 360mm AIO. The heatsinks+fans don't protrude out passed the socket housing so you shouldn't be limited with your memory options. I like that I can remove and install the heatsink and CPU as a single unit. I've removed each setup roughly ten times. Never had any issue's. Wouldn't hesitate to remove them again if needed.
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