Antminer full series simulator is also called 4+4-wire full-speed simulator, it is a simulator suitable for all series of Antminer, such as E9PRO, L7, D7, s17+, t17e, t17, t19, s19, s19+, s19pro and other models; It is also suitable for models with four-wire B3 interface fan connectors, such as Goldshell and Innosilicon. The 4+4-wire full-speed simulator has the function of PWM automatic speed control, which can precisely control the speed between 3000 and 8400 rpm. The simulator has a built-in powerful VCC 14-pin large chip with strong performance, compatibility, and stability. Much better than 8-pin chips and of high quality. Welcome to buy.