Marvell Technology 10-Q 2012 Q2 Quarterly report

Exhibit 32.2

CERTIFICATION

I, Clyde Hosein, the chief financial officer and secretary of Marvell Technology Group Ltd. (the “Company”), certify for the purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge,

(i) the Quarterly Report of the Company on Form 10-Q for the fiscal quarter ended July 30, 2011 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/S/ CLYDE R. HOSEIN

Clyde R. Hosein

Chief Financial Officer and Secretary

Date: September 6, 2011