ologies ▁AT TO ▁released ▁its ▁F ib re ▁Channel ▁host ▁bus ▁ad ap ters , ▁brid ges ▁and ▁hub s ▁in ▁ 1 9 9 6 . ▁In ▁ 1 9 9 9 , ▁AT TO ▁introduced ▁its ▁first ▁enter prise - class ▁A TA - based ▁RA ID ▁storage ▁array . ▁In ▁ 2 0 0 2 , ▁the ▁company ▁released ▁the ▁i P B ridge , ▁an ▁i SC SI ▁to ▁SC SI ▁bridge . ▁In ▁the ▁early ▁ 2 0 0 0 s , ▁AT TO ▁started ▁a ▁focus ▁on ▁the ▁F ib re ▁Channel ▁market , ▁developing ▁and ▁re le asing ▁the ▁C eler ity ▁line ▁of ▁F ib re ▁Channel ▁host ▁bus ▁ad ap ters ▁in ▁ 2 0 0 3 ▁with ▁ 1 G b ▁connect ivity . ▁By ▁ 2 0 0 5 , ▁AT TO ▁expanded ▁its ▁C eler ity ▁offer ings ▁with ▁the ▁ 4 G b ▁host ▁bus ▁ad ap ters , ▁as ▁well ▁as ▁introdu cing ▁the ▁F ib re B ridge ▁storage ▁controller ▁for ▁data ▁cent ers ▁and ▁the ▁Fast Stream ▁F ib re ▁Channel ▁RA ID ▁controllers . ▁ ▁In ▁ 2 0 0 7 , ▁AT TO ▁stepped ▁into ▁the ▁S AS / S ATA ▁market ▁with ▁Express S AS ▁RA ID ▁and ▁host ▁bus ▁ad ap ters . ▁The ▁following ▁year , ▁AT TO ▁released ▁ 8 G b ▁F ib re ▁Channel ▁and ▁ 6 G b ▁Express S AS ▁ad ap ters , ▁and ▁in ▁