1 Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference, in the registration statements on Form S-8 (Nos. 333-56322, 333-55974, 333-54188, 333-40154 and 333-40152) of Marvell Technology Group Ltd., of our report dated February 22, 2001, relating to the financial statements appearing in this Annual Report on Form 10-K. /s/ PricewaterhouseCoopers LLP San Jose, California April 26, 2001