Intel

Intel 59Y4008 Xeon E5640 2.66Ghz LGA1366 CPU

Name: Intel 59Y4008 Xeon E5640 2.66Ghz LGA1366 CPU
Brand: Intel
SKU: 59Y4008

45W

Elevate Server Performance with Intel Xeon EfficiencyThe IBM Xeon E5640 Quad-Core processor is designed to enhance the performance and energy efficiency of your servers and workstations. This processor helps reduce operating costs and accelerate return on investment with its advanced technology. ...

$1,193.04*

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*Price sourced from Amazon.com. Last updated:Jul 20, 2026.Price and availability are subject to change.

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Overview

Elevate Server Performance with Intel Xeon Efficiency

The IBM Xeon E5640 Quad-Core processor is designed to enhance the performance and energy efficiency of your servers and workstations. This processor helps reduce operating costs and accelerate return on investment with its advanced technology.

Processor Type: Xeon E5640
Core Count: Quad-Core
Socket Type: LGA1366
Clock Speed: 2.66G
Cache: 12MB
Bus Speed: 1066MHZ
Power Consumption: 80W
Includes: Fan

Key Features

Item Package Dimension: 8.26L x 6.45W x 5.98H inches

Item Package Weight - 1.146 Pounds

Item Package Quantity - 1

Product Type - COMPUTER PROCESSOR

Specifications

Processor Model

Xeon E5640

Clock Speed

2.66Ghz

Socket Type

LGA1366

Product Type

Computer Processor

Package Dimensions (L x W x H)

8.26L x 6.45W x 5.98H inches

Package Weight

1.146 Pounds

Package Quantity

Brand

Intel

Frequently Asked Questions

What is the clock speed of the Intel Xeon E5640 processor?

The Intel Xeon E5640 processor operates at a clock speed of 2.66Ghz, providing solid performance for its intended use.

Which socket type is compatible with this Intel Xeon CPU?

This Intel Xeon E5640 CPU is designed for the LGA1366 socket, so it requires a motherboard that supports this specific socket type.

Is this CPU suitable for a standard desktop computer?

While technically a CPU, the Intel Xeon E5640 is primarily designed for server and workstation environments due to its Xeon designation and LGA1366 socket.

Does this product include a CPU cooler?

No, the Intel 59Y4008 Xeon E5640 is a standalone processor and does not include a CPU cooler or other accessories.

What Buyers Say

👍 Pros

The Intel Xeon E5640 processor offers 2.66Ghz clock speed, suitable for various computing tasks.
Designed for the LGA1366 socket, ensuring compatibility with specific motherboard architectures.
As a Xeon processor, it is built for server and workstation environments, suggesting enhanced reliability and performance.
This CPU provides processing power for systems requiring dedicated server-grade components.
The product comes as a single computer processor, ready for installation into a compatible system.

👎 Cons

The specific number of cores or threads for this E5640 model is not explicitly stated in the provided information.
Being an older generation Xeon processor, its performance might not match that of newer CPU architectures for modern workloads.
Compatibility is limited to LGA1366 motherboards, which are not current generation and may be harder to find.
The power consumption or thermal design power (TDP) for this CPU is not specified, which is important for cooling solutions.
This product is a single CPU and does not include a cooler or thermal paste, which are necessary for operation.