5 Heat Pipe 4U Server CPU Heatsink – LGA 2066 / LGA 4677

XE04 5 Heat Pipe 4U Server CPU Heatsink – LGA 2066 / LGA 4677

Keep your server running at peak efficiency with this heavy-duty 4U Server CPU Heatsink featuring an advanced 5 heat pipe design. Engineered for demanding workstation and server environments, this cooler is built to handle the thermal output of high-core-count Intel Xeon processors on the LGA 2066 and LGA 4677 platforms. Whether you're managing a data center rack or a high-performance workstation, this heatsink delivers exceptional passive thermal dissipation to maintain stable, sustained operation under load.

Key Features

• 5 Heat Pipe Technology: Efficient heat transfer from the CPU base to the fin array, dramatically reducing thermal buildup during extended operation.
• Compatible Sockets: Designed for Intel LGA 2066 and LGA 4677 server/workstation CPU sockets — ideal for Xeon W and Xeon Scalable processors.
• 4U Form Factor: Perfectly sized for standard 4U rack-mount server chassis, ensuring drop-in compatibility with most enterprise server builds.
• High-Quality Fin Stack: Dense aluminum fin array maximizes surface area for superior passive heat dissipation.
• Solid Copper Base Plate: Direct copper contact base ensures efficient thermal coupling with the CPU integrated heat spreader (IHS).
• Durable Construction: Built to enterprise standards for long-term, 24/7 operation in demanding environments.
• Tool-Free Mounting: Straightforward installation designed for quick server builds and maintenance.

Specifications

• Model: XE04-2066/4677
• Heat Pipes: 5
• Compatible Sockets: Intel LGA 2066, Intel LGA 4677
• Form Factor: 4U Server
• Base Material: Copper
• Fin Material: Aluminum
• Country of Origin: Made in Mainland China

Why Choose This Heatsink?

Server CPUs generate significant heat, especially when running intensive workloads such as virtualization, AI inference, scientific computing, or large database queries. A reliable heatsink is the first line of defense in maintaining thermal stability, protecting your hardware investment, and ensuring uninterrupted uptime. This 5 heat pipe cooler is purpose-built for the rigors of continuous server operation.

For guidance on data center thermal management best practices, refer to the U.S. Department of Energy – Data Center Energy Efficiency Resources.

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Learn more: Computer cooling

Frequently Asked Questions

Q: Which CPU sockets is this 4U server heatsink compatible with?

A: The XE04 heatsink is designed to fit Intel LGA 2066 (used in Intel Xeon W-series workstation processors) and LGA 4677 (used in Intel Xeon Scalable 4th Gen "Sapphire Rapids" server processors). Always verify your CPU socket type before ordering.

Q: Is this heatsink passive or does it include a fan?

A: This is a passive heatsink designed to work with the airflow provided by your server chassis fans in a 4U rack environment. It relies on the 5 heat pipe array and high-density fin stack to transfer and dissipate heat efficiently within server airflow conditions. It does not include a bundled fan.

Q: Will this heatsink fit inside my 4U server chassis?

A: This heatsink is specifically dimensioned for standard 4U rack-mount server chassis. We recommend confirming the internal clearance of your specific chassis (height, width, and CPU socket area) against the heatsink dimensions before installation to ensure a proper fit.

Q: What is the country of origin for this product?

A: This server CPU heatsink is Made in Mainland China.