Adaptec is an American brand for computer storage products. The brand and many associated assets were acquired by PMC-Sierra in 2010.
What's the font used for Adaptec logo?
The font used for Adaptec logo is very similar to Avant Garde Gothic Bold, which is a geometric sans serif font designed by Herb Lubalin & Tom Carnase and published by ITC.
Sources & Links:Avant Garde Gothic Bold Font on myfonts.comAvant Garde Gothic Bold Font on fonts.com