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Compact brown dual-tower CPU cooler with two 92mm fans, 134mm tall

Noctua

Noctua NH-D9 DX-4677 4U CPU cooler

SKU CH-YQB9-Y4NEV

Compact 92 mm dual-tower cooler with six heatpipes and two NF-A9 fans for quiet LGA4677 Xeon servers

  • Compact 92 mm dual-tower design fits 4U chassis with PCIe clearance
  • Six heatpipes and two NF-A9 fans deliver strong cooling for Xeon LGA4677 CPUs
  • PWM-controlled push/pull fans run silent at idle and ramp up under load
  • Pre-applied NT-H1 paste and included Torx T30 tool simplify installation
  • CPU carrier frame required and supplied with boxed retail processors

Intel Xeon LGA4677 4U cooler

The Noctua NH-D9 DX-4677 is a compact dual-tower air cooler built for Intel Xeon processors using the LGA4677 socket. It fits 4U server chassis with a height of 134mm and uses six heatpipes to handle high thermal loads. Two NF-A9 92mm fans run in push-pull for strong airflow at low noise. It targets quiet 4U server deployments needing reliable CPU cooling.

Verify CPU carrier frame and socket

This cooler mounts only on the LGA4677 socket for 4th generation Xeon Scalable and w-series CPUs. A CPU carrier frame is required for installation and is included with boxed retail processors. Buyers using tray CPUs must source the frame separately before ordering. Check that your chassis provides 134mm of vertical clearance above the socket. No mounting hardware for other sockets is supplied.

Pre-applied paste and Torx tool included

NT-H1 thermal compound comes pre-applied on the cold plate so no separate paste is needed. A Torx T30 mounting tool is bundled to simplify the securing process. The dual NF-A9 fans support PWM control for automatic speed regulation via the motherboard. No additional fan adapters, cables or software utilities are provided in the package.

Ciri-ciri utama

  • Compact 92 mm dual-tower design fits 4U chassis with PCIe clearance
  • Six heatpipes and two NF-A9 fans deliver strong cooling for Xeon LGA4677 CPUs
  • PWM-controlled push/pull fans run silent at idle and ramp up under load
  • Pre-applied NT-H1 paste and included Torx T30 tool simplify installation
  • CPU carrier frame required and supplied with boxed retail processors

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Does the cooler ship with thermal paste and a mounting tool, or do I need to buy them separately?

NT-H1 thermal compound comes pre-applied on the base and a Torx T30 mounting tool is included in the box.

The listing mentions boxed and tray Xeon CPUs — which version of the cooler works with each?

The same NH-D9 DX-4677 4U fits both; boxed retail Xeon CPUs include the required carrier frame, while tray CPUs need the frame purchased separately.

How much clearance does the 134 mm height leave for other components in a 4U chassis?

At 134 mm tall the dual-tower design stays within the 4U envelope, leaving room above the motherboard for standard PCIe cards and airflow.

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