NH-U14S DX-4677 - Composant de refroidissement pour ordinateur Noctua - Free user manual and instructions
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| Product Type | CPU Cooler |
| Model | NH-U14S DX-4677 |
| Brand | Noctua |
| Socket Compatibility | Intel LGA4677 |
| Cooler Dimensions (with fan) | 140 x 150 x 165 mm (W x D x H) |
| Weight | 935 g (cooler only), 1.2 kg (with fan and accessories) |
| Fan Size | 140 x 140 x 25 mm |
| Fan Speed | 300 – 1500 RPM (with L.N.A. 1200 RPM) |
| Airflow | 140.2 m³/h (with L.N.A. 114.6 m³/h) |
| Noise Level | 19.2 – 24.6 dB(A) (with L.N.A. 14.9 – 19.2 dB(A)) |
| Heatpipe Material | Copper (nickel-plated) |
| Fin Material | Aluminum |
| Base Material | Copper (nickel-plated) |
| Fan Connector | 4-pin PWM |
| Included Accessories | Mounting kit for LGA4677, fan clips, Low-Noise Adaptor (L.N.A.), thermal paste (NT-H1), screwdriver |
| Maintenance | Clean dust from fins and fan using compressed air or soft brush every 6 months |
| Safety | Keep away from liquids; do not obstruct airflow; ensure proper installation to avoid short circuits |
| Spare Parts | Fan (NF-A14), fan clips, mounting kit, thermal paste available separately |
| Repairability | Fan is replaceable; mounting kit can be re-used for other sockets with additional parts |
| Warranty | 6 years (manufacturer warranty) |
Frequently Asked Questions - NH-U14S DX-4677 Noctua
Is the NH-U14S DX-4677 compatible with my Intel Xeon W-2400 processor?
Yes, the NH-U14S DX-4677 is designed for the Intel LGA4677 socket, which includes Xeon W-2400 and W-3400 series.
Does the cooler come with thermal paste pre-applied?
No, the cooler does not have pre-applied thermal paste. It includes a tube of Noctua NT-H1 thermal compound for manual application.
What is the maximum CPU TDP supported by this cooler?
The NH-U14S DX-4677 is rated for CPUs with a TDP (Thermal Design Power) of up to 220 watts under typical conditions.
Can I install two fans on this cooler?
Yes, the heatsink includes a second set of fan clips, allowing you to add a second NF-A14 fan for push-pull configuration to improve airflow.
How do I clean the cooler?
To clean, use compressed air or a soft brush to remove dust from the fins and fan. Avoid using water or solvents. Detach the fan if necessary for thorough cleaning.
Is the fan speed adjustable?
Yes, the NF-A14 fan uses a 4-pin PWM connector for automatic speed control. You can also use the included Low-Noise Adaptor to reduce maximum speed to 1200 RPM.
What is the weight of the cooler? Will it fit in my case?
The cooler weighs about 935 g (without fan) and has a height of 165 mm. Ensure your case has at least 165 mm of CPU cooler clearance.
Does the cooler support RAM with tall heatsinks?
The NH-U14S DX-4677 has a slim design that overhangs the RAM slots. It provides 45 mm of clearance for RAM modules, so most tall heatsinks are compatible.
Can I use this cooler with other sockets, like LGA1700?
This specific model (DX-4677) is only for LGA4677. For other sockets, you would need a different mounting kit or the standard NH-U14S. Check Noctua's compatibility list.
What should I do if the fan makes noise?
Ensure the fan is properly secured and not obstructed. Check for dust buildup. You can also use the Low-Noise Adaptor or adjust fan curves via BIOS. If noise persists, contact Noctua support.
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