I9, i9 or I-9 may refer to:

Science and technology

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  • Intel Core i9, a line of high-performance processors
    • Gulftown, microprocessors originally rumored to be called the Intel Core i9
  • Inline-nine engine, a straight engine with nine cylinders
  • ICD-9, a coding system for medical diagnoses and procedures

Other uses

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See also

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