Hyperscale Data (GPUS) 10-K 2016 FY Annual 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

The undersigned hereby certify, pursuant to, and as required by, 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of   2002, that the Annual Report of Digital Power Corporation (the “Company”) on Form 10-K for the year ended December 31, 2016 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in such Annual Report on Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: April 10, 2017	By:	/s/ Amos Kohn Amos Kohn
		President and Chief Executive Officer
		/s/ Uri Friedlander
		Uri Friedlander
		V.P. of Finance and Principal Accounting Officer