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HP 600737-L21 Intel Xeon E5503 2.0GHz Processor Kit DL320 G6 — main product image
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HP 600737-L21 Intel Xeon E5503 2.0GHz Processor Kit DL320 G6

A dual-core Xeon drop-in upgrade kit that brings 2.0GHz processing power to your HP ProLiant DL320 G6 server.

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Overview

The HP 600737-L21 is a processor kit built around the Intel Xeon E5503, a dual-core chip from Intel's Nehalem-EP family clocked at 2.0GHz. Packaged as an L21 kit, it includes the processor along with the heatsink assembly matched to the HP ProLiant DL320 G6 chassis, making installation straightforward for IT staff maintaining existing server infrastructure. The 80W thermal design power keeps cooling demands reasonable, an important consideration in density-constrained rack environments.

With 4MB of L3 cache and two processing cores, the E5503 is positioned for lighter server duties — file and print services, basic web hosting, DNS, DHCP, or low-density virtual machine workloads. It is not intended for compute-intensive applications, but for organizations extending the service life of their DL320 G6 hardware, this kit provides a cost-effective way to maintain or modestly improve processing capability without replacing the entire server.

Specifications

Brand
HP
Model
600737-L21
Processor
Intel Xeon E5503
Clock Speed
2.0GHz
Core Count
2
Cache
4MB L3
TDP
80W
Server Compatibility
HP ProLiant DL320 G6

Pros & Cons

👍 Pros

  • Drop-in kit format simplifies installation with matched processor and heatsink for the DL320 G6.
  • 80W TDP keeps power consumption and heat output moderate for dense rack environments.
  • Provides a straightforward CPU upgrade path for existing DL320 G6 deployments.
  • Dual-core design handles light to moderate server workloads without excessive power draw.

👎 Cons

  • Only two cores, which limits multithreaded and heavily virtualized workload performance.
  • 4MB cache is small compared to higher-tier Xeon processors of the same generation.
  • Compatible only with the DL320 G6, so it cannot be reused in other server platforms.
  • 2.0GHz clock speed is modest even within the Nehalem Xeon family.

Frequently Asked Questions

This kit is specifically designed for the HP ProLiant DL320 G6 server.
The Intel Xeon E5503 is a dual-core processor running at 2.0GHz.
Yes, as a processor kit (L21 designation), it includes the processor and the heatsink required for installation in the DL320 G6.
The E5503 has a TDP of 80W.
It includes 4MB of shared L3 cache.

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