, ▁with ▁Dan zig ▁becoming ▁chief ▁architect ▁and ▁C TO ▁of ▁Net Cache ▁division . ▁ ▁In ▁ 2 0 0 6 ▁Net App ▁sold ▁the ▁Net Cache ▁business ▁( but ▁not ▁technology ) ▁to ▁Blue ▁Co at ▁Systems , ▁who ▁had ▁a ▁similar ▁line ▁of ▁Pro xy SG ▁app li ances ▁which ▁became ▁the ▁more ▁expensive ▁product ▁for ▁existing ▁Net App ▁customers . ▁ ▁Hard ware ▁app liance ▁The ▁hardware ▁Net Cache ▁app liance ▁included ▁the ▁Net App ▁Data ▁ON T AP ▁micro kernel , ▁with ▁its ▁Write ▁Any where ▁File ▁Layout ▁file ▁system , ▁ach ieving ▁four ▁times ▁the ▁through put ▁as ▁software ▁equival ents ▁available ▁at ▁time , ▁according ▁to ▁Net App ▁compar isons . ▁Starting ▁with ▁ON T AP ▁version ▁ 9 . 5 ▁similar ▁functionality ▁was ▁introduced ▁under ▁F lex Cache ▁name . ▁ ▁Mod els ▁As ▁of ▁November ▁ 2 0 0 5 , ▁three ▁hardware ▁models ▁were ▁being ▁offered : ▁▁ ▁C 1 3 0 0 ▁- ▁Low est ▁cost ▁device . ▁Small ▁form ▁factor ▁ch ass is . ▁Target ed ▁at ▁branch ▁and ▁small ▁offices . ▁ ▁C 2 3 0 0 ▁- ▁Mid ▁range ▁device . ▁Target ed ▁at ▁larger ▁office ▁environments . ▁ ▁C 3 3 0 0 ▁- ▁High ▁end ▁device . ▁Target ed ▁for ▁use ▁in ▁company ▁headquarters , ▁data cent res ▁and ▁I SP s . ▁Storage ▁capacity ▁of ▁up ▁to ▁ 2 . 4 TB . ▁ ▁Form er ▁models ▁include : ▁▁ ▁C 1 2 0 0 ▁-