Yih-Shyan Liaw, known as Wally; Ruei-Tsang Chang, known as Steven; and Ting-Wei Sun, known as Willy, were charged with conspiring to violate export control laws, smuggling goods from the US and conspiring to defraud the US.

Liaw, who co-founded Super Micro Computer and served on its board of directors, was arrested Thursday in California and released on bail. Sun, a contractor, is held awaiting a detention hearing. Chang, who worked in the Taiwan office of Super Micro, remains at large.

Super Micro Computer is not named in the indictment.