Advanced 2U Passive CPU Cooler for Intel LGA 4677 - Quality China Suppliers and Factory Solutions
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

01
Sinda Thermal can offer professional thermal design, thermal simulation for the NPI stage;

02
Sinda thermal can manufacture wide range of heat sinks such as standard CPU cooler and customized heat sinks;

03
Sinda Thermal provides excellent after-sale service, we will respond all the questions from customer.
Our Certificates

ISO14001 2021

ISO19001 2016

ISO45001 2021

IATF16949
FAQ
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 at a lower cost.
02. What's the MOQ for this heatsink? +
We can quote based on different MOQs as per customer needs.
03. Do we still need to pay for the tooling cost for these standard parts? +
The standard heatsink is developed by Sinda and sold to all customers, so there is no tooling charge.
04. How long is the lead time (LT)? +
We have 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. Can Sinda Thermal offer professional thermal design and simulation? +
Yes, Sinda Thermal can offer professional thermal design and thermal simulation for the NPI stage to optimize cooling performance.
06. What kind of after-sale support is provided? +
Sinda Thermal provides excellent after-sale service, and we will respond to all questions from customers in a timely manner.






Mr. Perry Wu International Sales Director





