EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS The Board of Directors Manchester Equipment Company, Inc.: We consent to the use of our report dated September 20, 1999, incorporated herein by reference, and to the reference to our firm under the heading "Experts" in the prospectus. /s/ KPMG LLP ------------------------ KPMG LLP Melville, New York July 21, 2000