China Suppliers Factory LGA4677 1U Passive CPU Cooler for Optimal CPU Performance and Longevity
Product Basic Parameters
| Part Number | SD-4677-1UM71-P | Fin Thickness | 0.3mm |
| CPU Socket | LGA4677 | Fin Pitch | 1.5mm |
| Server Platform | 1U | Heat sink material | Copper & Aluminum Base+ Aluminum Fin+4 heatpipes |
| Overall Dimension | 118mm*78mm*25.3mm | TIMs | Shin-ETSU,7921 or DOW CORNING,TC-5888 grease |
| TDP | 205W | Cooling Type | Passive |
Why choose this 1U CPU cooler for Intel LGA4677 socket?
The benefits of the heat sink design
Our Service
Sinda Thermal can offer professional thermal design, thermal simulation for the NPI stage;
Sinda thermal can manufacture wide range of heat sinks such as standard CPU cooler and customized heat sinks;
Sinda Thermal provides excellent after-sale service, we will respond all the questions from customer.


Our Certificates

ISO14001 2021

ISO19001 2016

ISO45001 2021

IATF16949
Frequently Asked Questions
What is the TDP capacity of this 1U CPU cooler?
This CPU cooler (Part Number: SD-4677-1UM71-P) supports a Thermal Design Power (TDP) of up to 205W, making it highly efficient for demanding server processors.
Which CPU sockets and server platforms is this cooler compatible with?
It is specifically designed for the Intel LGA4677 socket and is optimized for 1U server platforms, fitting perfectly in compact, space-constrained chassis.
What materials are used in the heat sink construction?
The heat sink features a high-performance hybrid material design, including a Copper & Aluminum Base, Aluminum Fins, and 4 integrated heatpipes for optimal thermal transfer.
Does this CPU cooler require active fans?
No, this is a passive cooling type heat sink. It relies on the system chassis airflow for heat dissipation, allowing it to operate completely silently.
What Thermal Interface Materials (TIMs) are applied?
The cooler uses professional-grade thermal grease, specifically Shin-Etsu 7921 or DOW CORNING TC-5888 grease, to ensure excellent contact and heat conductivity.
Can Sinda Thermal provide custom design and simulation services?
Yes, Sinda Thermal offers professional thermal design and simulation services during the NPI stage, and can manufacture standard CPU coolers as well as customized heat sinks.






Mr. Perry Wu International Sales Director



