ðə kɹˈoʊm twˈɛnti sˈɪɹiz wʌz ˌɪntɹədˈuːst ˌɔn mˈɑːɹtʃ ɪlˈɛvən, tˈuː θˈaʊzənd fˈaɪv, wɪððə kɹˈoʊm ˈɛs twˈɛnti fˈaɪv ænd kɹˈoʊm ˈɛs twˈɛnti sˈɛvən æz lˈɑːntʃ pɹˈɑːdʌkts.
The Chrome 20 series was introduced on March 11, 2005, with the Chrome S25 and Chrome S27 as launch products.