Intel

Intel SL43J Pentium III 866MHz CPU

Reliable Performance for Vintage ComputingThe Intel Pentium III Processor offers reliable performance for vintage computing enthusiasts. With a 866MHz clock speed, 256KB cache, and 133MHz FSB, this CPU is perfect for legacy systems and retro builds. Brand: Intel Model: SL43J Proce...

$35.00*
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*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.

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Overview

Reliable Performance for Vintage Computing

The Intel Pentium III Processor offers reliable performance for vintage computing enthusiasts. With a 866MHz clock speed, 256KB cache, and 133MHz FSB, this CPU is perfect for legacy systems and retro builds.

  • Brand: Intel
  • Model: SL43J
  • Processor Type: Pentium III
  • Clock Speed: 866MHz
  • Cache: 256KB
  • FSB: 133MHz
  • Voltage: 1.65V

Key Features

Warranty Included

Specifications

Brand
Intel
Model
SL43J
Processor Series
Pentium III
Clock Speed
866MHz
Warranty
Included

Frequently Asked Questions

No, the Intel SL43J Pentium III 866MHz CPU is an older generation processor and is typically only compatible with motherboards designed for Pentium III architecture.
An 866MHz Pentium III processor offers performance suited for basic computing tasks and older operating systems and applications, not modern demanding software.
Yes, this Intel SL43J Pentium III 866MHz CPU includes a warranty, providing coverage for potential issues.
The main use case for this CPU today is typically for maintaining or restoring older computer systems, or for niche retro computing projects.