Advanced 2U Passive CPU Cooler for Intel LGA 4677 Socket - Reliable Cooling from China Suppliers & Factory
Product Basic Parameters
| Part Number | SD-4677-2UM81-P | Fin Thickness | 0.35mm |
| CPU Socket | Intel 4677 Series | Fin Pitch | 1.65mm |
| Server Platform | 2U Server | Screw Hole Distance | 102.5mm*57.6mm |
| Heatsink Dimension | 118mm*78mm*63mm | Heatsink Material | Copper & Aluminum Base+ Aluminum Fin+5 copper heatpipes |
| TDP | 300W | TIMs | Shin-ETSU,7921 or DOW CORNING,TC-5888 grease |
Product Introduction
Precision and professionally designed, our 2U CPU coolers are optimized to effectively dissipate CPU heat, ensuring optimal thermal management and system stability. The passive cooling design requires no additional power consumption, making it an energy-efficient and cost-effective solution for server infrastructure.
Made from premium materials and advanced thermal technology, this radiator is built to meet stringent operating requirements, providing long-term durability and consistent performance. Its low-profile design integrates seamlessly into 2U server chassis, maximizing space utilization without compromising cooling efficiency.
Equipped with a sturdy mounting mechanism, installation is quick and easy, minimizing downtime and ensuring a smooth installation process. Compatibility with the Intel LGA 4677 socket ensures broad applicability across a variety of server configurations and CPU models.
Whether you’re managing a data center, running complex applications or handling intensive workloads, our 2U passive CPU coolers provide the reliability and thermal management features you need to keep your system running at peak performance.
The 2U Passive CPU Cooler for Intel LGA 4677 we manufactured is an excellent thermal solution in server cooling solutions, delivering unparalleled performance, efficiency and reliability. Upgrade your server infrastructure with confidence knowing your CPUs are protected with our advanced heatsink technology.
Our Service

Sinda Thermal can offer professional thermal design and 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 to all questions from customers.
Our Certificates




Frequently Asked Questions
01. Is it possible to have some design optimization on the heatsink if customer needs?
Yes, Sinda Thermal provides customization services to meet all customer needs with lower cost.
02. What's the MOQ for this heatsink?
We can quote base on different MOQ as per customer needs.
03. Do we still need to pay for the tooling cost for this standard parts?
No. The standard heatsink is developed by Sinda and sold to all customers, so there is no tooling charge cost.
04. How long is the lead time (LT)?
We keep some finished goods or raw materials in stock. For sample demands, we can finish in 1 week, and 2-3 weeks for mass production.
05. Do you perform quality inspection before shipping?
Yes, Sinda Thermal conducts strict quality control checks and thermal inspections on all parts before shipping to ensure perfect performance.
06. How can I request a quotation for this product?
You can contact us directly through our website inquiries with your detailed specifications or drawing, and our team will quote within 24 hours.






Mr. Perry Wu International Sales Director





