Intel

Intel BX80621E52603 Xeon E5-2603 Processor

4.0 (2 reviews)
80W

Efficient Performance for Entry-Level ServersThe Intel Xeon E5-2603 processor offers a balance of performance and efficiency for entry-level server applications. With four cores and a low thermal design power, this processor provides a reliable foundation for your server infrastructure. Brand...

$129.95*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Efficient Performance for Entry-Level Servers

The Intel Xeon E5-2603 processor offers a balance of performance and efficiency for entry-level server applications. With four cores and a low thermal design power, this processor provides a reliable foundation for your server infrastructure.

  • Brand: Intel
  • Model: BX80621E52603
  • Cores: 4
  • Frequency: 1.8 GHz
  • Cache: 10MB L3 Cache
  • TDP: 80W
  • Memory Support: DDR3 up to 1066MHz
  • Socket: LGA 2011

Key Features

1.8GHz

10MB L3 Cache

80W TDP

DDR3 up to 1066MHz

Specifications

Brand
Intel
Model Name
Xeon E5-2603
Base Clock Speed
1.8GHz
L3 Cache
10MB
Thermal Design Power (TDP)
80W
Memory Support
DDR3 up to 1066MHz

Similar Products

Other products from the same family that visitors often consider:

Pros & Cons

👍 Pros

  • Designed with an 80W TDP, indicating efficient power consumption for continuous operation in servers.
  • Features a 10MB L3 Cache, which helps in faster data access and improved processing efficiency for demanding tasks.
  • Supports DDR3 memory up to 1066MHz, providing compatibility with established server memory architectures.
  • As a Xeon processor, it is built for reliability and stability, crucial for mission-critical applications.
  • Offers a consistent 1.8GHz clock speed, suitable for various general-purpose server workloads.

👎 Cons

  • The 1.8GHz clock speed might be a limiting factor for single-threaded applications or high-frequency trading tasks.
  • DDR3 memory support indicates an older platform, potentially limiting compatibility with newer, faster DDR4 or DDR5 RAM.
  • The 80W TDP, while efficient for its class, might be higher than some more modern, lower-power server CPUs.
  • The processor lacks specific core count information, which is a key metric for understanding multi-threaded performance.
  • This model is from an older generation, which may impact its upgrade path and long-term viability compared to newer Xeon lines.

Frequently Asked Questions

The Intel Xeon E5-2603 processor operates at a base clock speed of 1.8GHz.
This processor is equipped with a 10MB L3 Cache, which aids in quicker data retrieval for processing.
The Thermal Design Power (TDP) for the Intel Xeon E5-2603 is 80W.
The Intel Xeon E5-2603 processor supports DDR3 memory with speeds up to 1066MHz.
While it offers reliable performance for general server and workstation applications, its 1.8GHz clock speed and DDR3 memory support suggest it is better suited for stable, consistent workloads rather than cutting-edge high-performance computing.