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A square green circuit board with a silver metal heat spreader marked Intel Xeon X5355

Intel

Intel X5355Product switch module

SKU CH-H6B1-H1AGT MPN X5355Product

Quad-core Xeon DP processor running at 2.66 GHz with 8 MB L2 cache for Socket J servers

  • Quad-core Xeon DP architecture scales dual-processor server workloads
  • 66 GHz clock speed drives responsive compute performance
  • 1333 MHz front-side bus accelerates data throughput
  • 8 MB L2 cache reduces memory latency
  • 65 nm process technology lowers thermal output to 65 °C

Quad-Core Xeon for Dual-Processor Servers

The Intel X5355 is a quad-core Xeon DP processor built on Intel Core microarchitecture for dual-processor servers and workstations. It targets IT managers upgrading older DP platforms that require Socket J compatibility. The 65 nm design delivers four execution cores in a single package for multi-threaded server workloads.

Sustained Load Behaviour at 65°C Thermal Spec

Under continuous load the processor runs at a 2.66 GHz clock speed with a 1333 MHz bus and 8 MB of L2 cache. The thermal specification is rated at 65 °C (149 °F), so cooling solutions must handle sustained heat output without throttling. Stability in dense rack environments depends on adequate airflow across the heatsink.

Upgrade Path from Single-Core Socket J Xeons

This module replaces earlier single-core Socket J Xeons in existing dual-processor boards, adding four cores without a platform change. The jump is worth it when virtualisation density or multi-threaded throughput has become a bottleneck. Buyers needing higher core counts per socket or newer instruction sets must move to a later platform.

Highlights

  • Quad-core Xeon DP architecture scales dual-processor server workloads
  • 66 GHz clock speed drives responsive compute performance
  • 1333 MHz front-side bus accelerates data throughput
  • 8 MB L2 cache reduces memory latency
  • 65 nm process technology lowers thermal output to 65 °C

Specifications

BrandIntel

Questions about this item

How much heat does the 2.66 GHz Xeon DP X5355 generate under sustained load?

The processor has a thermal specification of 149°F (65°C), which defines its maximum operating temperature during continuous operation.

What socket does the X5355 require on the motherboard?

This processor installs in a Socket J interface, so the board must provide that exact socket type.

Will the 1333 MHz bus speed of this Xeon work with older chipsets that run at lower front-side bus frequencies?

The CPU operates at a 1333 MHz bus speed; the chipset must support that frequency for the processor to function.

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