Atel Capital Equipment Fund Viii (ZZHJB) 10-Q 2005 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION

I, Dean L. Cash, Chief Executive Officer of ATEL Financial Services, LLC, Managing Member of ATEL Capital Equipment Fund VIII, LLC (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

1.The Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2005 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); 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:	August 22, 2005
/s/ Dean L. Cash
Dean L. Cash
President and Chief Executive
Officer of Managing Member

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.