Exhibit 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS The Board of Directors CSP Inc. We consent to incorporation by reference in the registration statements (Nos. 2-79414 and 33-11815) on Forms S-8 of CSP Inc. of our reports dated September 28, 1995, relating to the consolidated balance sheets of CSP Inc. and subsidiaries as of August 25, 1995 and August 26, 1994, and the related consolidated statements of operations, shareholder's equity and cash flows and related schedules for each of the years in the three-year period ended August 25, 1995, which reports appear or are incorporated by reference in the August 25, 1995 annual report on Form 10-K of CSP Inc. KPMG PEAT MARWICK LLP Boston, Massachusetts November 21, 1995