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4 Year Office Equipment Protection Plan

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  • Easy Claims Process: File a claim anytime online or by phone. Most claims approved within minutes. We will send you an e-gift card for the purchase price of your covered product. In some instances, we will replace or repair it.
  • Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
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Asurion Complete Protect: One plan covers all eligible past and future purchases on Amazon

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Noctua NH-U9 DX-4677, Premium CPU Cooler for Intel Xeon LGA4677 (Brown)

5.0 5.0 out of 5 stars 2 ratings
$119.90
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Purchase options and add-ons

Product Dimensions 3.74"L x 4.72"W x 4.92"H
Brand Noctua
Power Connector Type 4-Pin
Voltage 12 Volts
Cooling Method Air
Compatible Devices Desktop
Noise Level 22.8 dB
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Maximum Rotational Speed 2000 RPM

About this item

  • Compact 92mm size (125mm height) for excellent PCIe compatibility and 4U support, high cooling performance thanks to 6 heatpipes, single-tower design and two NF-A9 premium fans, ideal for quiet 4U servers
  • Supports LGA4677 socket for 4th generation Intel Xeon Scalable (Platinum, Gold, Silver or Bronze) and w9, w7, w5 or w3 series processors
  • CPU carrier frame required (included with boxed retail CPUs and available separately for tray CPUs)
  • 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 with included Torx T30 mounting tool

Product details

  • Product Dimensions ‏ : ‎ 19.69 x 19.69 x 11.02 inches; 1.97 Pounds
  • Item model number ‏ : ‎ NH-U9DX-4677
  • Date First Available ‏ : ‎ February 15, 2023
  • Manufacturer ‏ : ‎ Noctua
  • ASIN ‏ : ‎ B0BSXPH519
  • Country of Origin ‏ : ‎ Taiwan
  • Customer Reviews:
    5.0 5.0 out of 5 stars 2 ratings

Product Description

NH-U9 DX-4677 Header

Noctua’s DX line CPU coolers have become a default choice in premium grade quiet cooling solutions for Intel Xeon processors. The NH-U9 DX-4677 features a larger, custom-designed contact surface for LGA4677 platforms. Based on the proven, 92mm size NH-U9 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. The NH-U9’s direction of airflow is perpendicular to the long axis of the LGA4677 socket, so it is ideal for systems where the exhaust fans of the chassis are in this direction. For systems that require the airflow to go parallel to the long axis of the socket, please choose the NH-D9 DX-4677 4U. Topped off with the professional SecuFirm2 mounting system and pre-applied NT-H1 thermal compound, the NH-U9 DX-4677 forms a complete premium quality package for quietly cooling LGA4677 based Xeon workstations and servers.

NH-U9 DX-4189

NF-A9 Fan

DX-4189 Paste

DX-4677 scope

Enlarged contact surface

At 70x56mm, the heatsink’s copper contact surface is more than double the size of the standard model. Tailored to fit the enormous integrated heat-spreaders (IHS) of Intel’s LGA4677-based processors, this customised design allows for an optimal heat flow from the CPU over the base to the heatpipes and on to the cooling fins.

Dual NF-A9 HS-PWM fans

The NH-U9 DX-4677 is equipped with two of Noctua’s award-winning NF-A9 92mm fans in their high-speed 2500rpm HS-PWM variant. This push/pull dual fan configuration makes it possible to achieve a level of cooling performance that is remarkable for such a compact cooler and comes close to the bigger NH-U12S DX-4677.

Pre-applied NT-H1 thermal compound

Noctua’s much-acclaimed NT-H1 is a pro-grade TIM solution that provides minimum thermal resistance and outstanding long-term stability. Having the paste pre-applied to the heatsink base ensures optimal bond-line thickness and saves precious time in installation. Ideal for system integrators!

Compatible with E1A, E1B and E1C carrier frames

LGA4677 processors require plastic CPU carrier frames for installation, which are included with retail boxed CPUs and available separately via Intel sales partners for tray CPUs. The SecuFirm2 mounting for LGA4677 is compatible with all types of carriers (E1A, E1B, E1C).

NH-U9 DX-4189
Measurements
  • 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): 120 mm
  • Weight (without fan): 660 g
  • Weight (with fan/s): 895 g
Materials

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

Cooler Specification

Socket compatibility

Please note that the NH-U9 DX-4189 is a dedicated version for the Intel LGA4189 socket. Due to its customised larger base, it cannot be used on most other sockets and is incompatible with Noctua’s standard mounting kits.

Scope of delivery

  • 2x NF-A9 PWM premium fan
  • NA-YC1 4-pin PWM y-cable
  • NT-H1 high-grade thermal compound (pre-applied)
  • SecuFirm2 mounting kit for LGA4677
  • NM-SMT5 Torx T30 mounting tool

DX-4677

Customised for LGA4677

The new DX-4677 line coolers are dedicated, customised solutions for Intel’s professional LGA4677 platform, which makes them an ideal fit for both 4th generation Xeon Scalable CPUs (Platinum, Gold, Silver or Bronze) and w9, w7, w5 or w3 series Xeon processors for workstations.

NH-U9S table NH-U9 DX-4189 table NH-U9 DX-4189 table NH-U9S chromax.black table
NH-U9S NH-U9 TR4-SP3 NH-U9 DX-4189 NH-U9 DX-4677 NH-U9S chromax.black
See Details
Customer Reviews
4.8 out of 5 stars
1,646
4.6 out of 5 stars
294
5.0 out of 5 stars
1
5.0 out of 5 stars
2
4.8 out of 5 stars
1,601
Price $59.95 $89.95 — $119.90 $69.95
LGA1851, LGA1700 ✓ X X X ✓
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) ✓ X X X ✓
LGA20xx Square ILM with NM-i20xx X X X with NM-i20xx
LGA20xx Narrow ILM X X X X X
LGA4189 X with NM-i4189 ✓ with NM-i4189 X
LGA4677 X with NM-i4677 with NM-i4677 ✓ X
AM5 ✓ X X X ✓
AM4 ✓ X X X ✓
TR4, SP3, sTRX4, sWRX8 X ✓ X X X
sTR5, SP6 X with NM-TR5-SP6 with NM-TR5-SP6 with NM-TR5-SP6 X

What's in the box

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    Customer reviews

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