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Processor Spec Finder: How to Find your sSpec Number

The Processor Spec Finder tool was designed as a reference to help you look up technical spec information on your Intel processor. To find the information that you are looking for, you will need to know your processor's sSpec number.

The sSpec number is also known as the specification number and SL code. It is a five character string (SL36W, XL2XL, etc.) that is printed on the processor, and used to identify the processor. You can find this number by looking at the markings on the processor (see Figure 2), or on the label that came with your boxed processor. See Figure 1 below for an example of how to read the label to find your sSpec number.

Figure 1: Finding the sSpec number on the boxed processor label

Please note: Currently the sSpec is located after the product code, this may change in the future.

Figure 2: Finding the sSpec number in the processor markings (two examples)


Please note: These locations are subject to change and for the correct location for your specific processor please see the processor Specification Updates.

After you have located your sSpec number, you will be able to properly use the Processor Spec Finder tool.

This applies to:
Intel® Celeron® Processor Family
Intel® Core™ Duo Processor
Intel® Core™ Solo processor
Intel® Core™2 Duo Desktop Processor
Intel® Core™2 Duo Mobile Processor
Intel® Core™2 Extreme Processor
Intel® Core™2 Quad Processor
Intel® Pentium® 4 Processor Extreme Edition
Intel® Pentium® 4 Processors
Intel® Pentium® D Processor
Intel® Pentium® Dual-Core Desktop Processor
Intel® Pentium® Dual-Core Mobile Processor
Intel® Pentium® III Processor
Intel® Pentium® III Xeon® Processor
Intel® Pentium® M Processor
Intel® Pentium® Processor Extreme Edition
Intel® Xeon® Processor
Mobile Intel® Celeron® Processors
Mobile Intel® Pentium® 4 Processors - M
Mobile Intel® Pentium® III Processor
Multi-Core Intel® Xeon® Processor 3000 Sequence
Multi-Core Intel® Xeon® Processor 5000 Sequence

Solution ID: CS-016552
Date Created: 25-Oct-2004
Last Modified: 20-Jan-2008
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