0000891618-97-003180 424B3 1 19970806 NASD NETWORK APPLIANCE INC 0001002047 7373 770307520 CA 0430 424B3 33 333-26163 97652170 2770 SA TOMAS EXPRESSWY SANTA CLARA CA 95051 4154285100 319 NORTH BERNARDO AVENUE MOUNTAIN VIEW CA 94043 424B3 1 000089161897003180-001-seq1-424b3.txt PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED 5/9/97