EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 26, 2003 relating to the financial statements of Marvell Technology Group Ltd., which appears in Marvell Technology Group Ltd.'s Annual Report on Form 10-K for the year ended February 1, 2003. /s/ PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP San Jose, California May 1, 2003 1