超微半导体美股招股说明书(2026-08-14版)

$1,250,000,000 4.600% Senior Notes due 2029$1,500,000,000 5.000% Senior Notes due 2031$1,000,000,000 5.250% Senior Notes due 2033$1,000,000,000 5.500% Senior Notes due 2036 We are offering $1,250,000,000 aggregate principal amount of our 4.600% Senior Notes due 2029 (the “2029 notes”), $1,500,000,000 aggregate principal amount of our 5.000%Senior Notes due 2031 (the “2031 notes”), $1,000,000,000 aggregate principal amount of our 5.250% Senior Notes due 2033 (the “2033 notes”) and $1,000,000,000 aggregateprincipal amount of our 5.500% Senior Notes due 2036 (the “2036notes” and, together with the 2029notes, the 2031notes and the 2033notes, the “notes”). The 2031 notes will bear interest at the rate of 5.000% per year and mature on August17, 2031. Interest on the 2031notes will accrue from August17, 2026 and will be payablesemi-annually in arrears on February17 and August17 of each year, beginning on February17, 2027. The 2033 notes will bear interest at the rate of 5.250% per year and mature on August17, 2033. Interest on the 2033notes will accrue from August17, 2026 and will be payablesemi-annually in arrears on February17 and August17 of each year, beginning on February17, 2027. The 2036 notes will bear interest at the rate of 5.500% per year and mature on August17, 2036. Interest on the 2036notes will accrue from August17, 2026 and will be payablesemi-annually in arrears on February17 and August17 of each year, beginning on February17, 2027. The notes will not be guaranteed by any of our subsidiaries. The obligations to make payments of principal and interest on the notes are solely our obligations. Therefore, the noteswill be structurally subordinated to all indebtedness and other obligations of our subsidiaries. The 2029notes, the 2031notes, the 2033notes and the 2036notes are each a new issue of securities with no established trading market. We do not intend to apply for the listing ortrading of the notes of either series on any securities exchange or trading facility or for inclusion of the notes of either series in any automated quotation system. Investing in the notes involves risks. See the “Risk Factors” section beginning on pageS-12 of this prospectus supplement. (1)Plus accrued interest from August17, 2026, if settlement occurs after that date.(2)See “Underwriting” for additional information regarding underwriting compensation. Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if thisprospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is a criminal offense. The underwriters expect to deliver the notes in book-entry form through the facilities of The Depository Trust Company for the accounts of its participants, including ClearstreamBanking S.A. and Euroclear Bank SA/NV, as operator of the Euroclear System, against payment in New York, New York on or about August17, 2026. J.P.Morgan BNPPARIBASHSBC Table of Contents TABLE OF CONTENTSPROSPECTUS SUPPLEMENT About This Prospectus SupplementWhere You Can Find More Information; Incorporation by ReferenceTrademarks and CopyrightsCautionary Note Regarding Forward-Looking StatementsProspectus Supplement SummaryThe OfferingRisk FactorsUse of ProceedsCapitalizationDescription of NotesMaterial U.S. Federal Income Tax ConsequencesUnderwritingLegal MattersExperts PROSPECTUS About This ProspectusWhere You Can Find More Information; Incorporation by ReferenceThe CompanyRisk FactorsUse of ProceedsDescription of Debt SecuritiesGlobal Securities Plan of Distribution Legal Matters Experts Table of Contents ABOUT THIS PROSPECTUS SUPPLEMENT This prospectus supplement and the accompanying prospectus are part of a registration statement that we filed with the Securities and ExchangeCommission (the “SEC”) using a “shelf” registration process. Under this shelf registration process, we may from time to time offer to sell the notes andother debt securities issued under such registration statement in one or more offerings. We provide information to you about this offering of the notes intwo separate documents that are bound together: (1)this prospectus supplement, which describes the specific details regarding this offering; and (2)theaccompanying prospectus, which provides general information, some of which may not apply to this offering. Generally, when we refer to this“prospectus,” we are referring to both documents combined. If information in this prospectus supplement is inconsistent with the accompanyingprospectus, you should rely on this prospectus supplement. However, if any statement in one of these documents is inconsistent with a statement inanother document having a later date—for example, a document incorporated by reference in the accompanying prospectus—the statement in thedocument having the later date modifies or supersedes the earlier statement as our business, financial conditi