Description
Features of NOCTUA NH-D9 DX-3647 4U Dual Tower CPU Air Cooler
DX series for Intel Xeon
First introduced in 2008,NOCTUA DX line CPU coolers have become a standard choice when it comes to quiet, premium grade air cooling solutions for Intel Xeon processors. Thanks to their superior acoustic efficiency, they are ideal for workstations and servers that run in noise sensitive environments (e.g. audio/video production, content creation, engineering, etc.)
Customized for LGA3647
The new DX-3647 line coolers are dedicated, customised solutions for Intel’s professional LGA3647 platform, which makes them an ideal fit for both Skylake-SP based Xeon Scalable CPUs (Platinum, Gold, Silver or Bronze, Purley series) and Xeon-Phi processors (code names Knight’s Landing or Knight’s Mill).
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 LGA3647-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.
Supports square and narrow type LGA3647 sockets
The heatsink’s SecuFirm2™ mounting system includes two sets of brackets in order to support both square and narrow type LGA3647 sockets. Thanks to pre-installed mounting screws and the included processor clips (square type and narrow type without Omni-Path fabric connector, with fabric connector on request), the installation procedure is easy, quick and secure.
Compact 92mm size for best compatibility
Thanks to its compact footprint (95x95mm with center fan only, second fan can be installed on either side depending on available space) and a total height of only 134mm, the NH-D9 DX-3647 4U provides excellent PCIe compatibility and is small enough to fit most 4U size rack-mount enclosures.
Dual NF-A9 PWM fans
The NH-D9 DX-3647 4U 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-3647.
PWM support and y-cable
The NF-A9 premium fans supplied with the NH-D9 DX-3647 4U support PWM for convenient automatic speed control through the motherboard, which allows them to run near silent at lighter loads and to speed up only when necessary. The supplied y-cable makes it possible to power and control both fans simultaneously from a single motherboard fan header
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!
Specifications of NOCTUA NH-D9 DX-3647 4U Dual Tower CPU Air Cooler
| Model | |
| Brand | Noctua |
| Model | NH-D9 DX-3647 4U |
| Spec | |
| Type | CPU Coolers |
| Fan Size | 92 x 92 x 25mm |
| Compatibility | Intel Xeon LGA3647 |
| RPM | 2500 RPM |
| Air Flow | 96,3 m³/h |
| Noise Level | 30,6 dB(A) |
| Physical Spec | |
| Fan Dimensions | 92x92x25mm |
Shipping & Return
Shipping policy
Brain Tech PC operated by Nishi Infotek LLP ships to almost all pin codes across India. We use reliable courier partners to ensure your order reaches you safely and on time.
1. Shipping Costs
We offer Free Shipping on most prepaid orders across India.
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If a specific shipping charge applies to a small order or a remote area, it will be calculated and displayed at checkout before you make a payment.
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There are no hidden charges. The total price shown at checkout is the final price.
2. Order Processing Time (Handling Time)
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Processing Time: Orders are usually processed and packed within 1 to 2 business days (Monday to Saturday).
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Order Cut-off Time: Orders placed after 2:00 PM IST will be processed on the next business day.
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Custom PCs: For Custom PC builds, please allow an additional 2-3 days for assembly and stress testing before dispatch.
3. Estimated Delivery Time
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Transit Time: Once shipped, the estimated delivery time is 2 to 4 business days depending on your location.
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Total Delivery Time: You can expect to receive your order within 3 to 6 business days from the date of purchase.
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Metro Cities: 3-4 Days
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Rest of India: 4-6 Days
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Remote Areas: May take slightly longer.
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(Note: Delivery timelines may be impacted by public holidays, extreme weather, or courier delays beyond our control.)
4. Courier Partners
We ship using trusted carriers to ensure the safety of high-value electronics:
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Blue Dart
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Delhivery
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DTDC
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Amazon Shipping
5. Order Tracking
Once your order is shipped, you will receive an email and SMS with the Tracking Number and the courier company's link. You can track your package live to know the expected delivery date.
6. Damaged or Open Packages
IMPORTANT:
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Do not accept the package if the seal is broken, tampered with, or damaged.
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Video Recording: We highly recommend making an unboxing video (without cuts) when opening your package. This is mandatory proof if you receive a damaged product or missing accessories.
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If you face any issues, contact us immediately at +91 9146194675 or contact@braintechpc.in.
7. International Shipping
Currently, we do not ship internationally. We ship only within India.
8. Contact Information
If you have any questions about your shipment, please contact us:
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Phone: +91 9146194675
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Email: contact@braintechpc.in
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Address: 1st Floor, 103, Prakashdeep Apartment, Station Road, O.T Section, Ulhasnagar, Maharashtra 421002, India
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