QualityTech 10-Q 2020 Q3 Quarterly report

Exhibit 32.1​

Certification Pursuant To

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of QTS Realty Trust, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Chad L. Williams, Chairman and Chief Executive Officer of the Company, and I, Jeffrey H. Berson, Chief Financial Officer of the Company, certify, to our knowledge, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:​

1.the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and​

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.​

Date: November 2, 2020	​
	/s/ Chad L. Williams
	Chad L. Williams
	Chairman and Chief Executive Officer
	/s/ Jeffrey H. Berson
	Jeffrey H. Berson
	Chief Financial Officer