We promise to examine each used Antminer before shipment in order that customers receive satisfactory miners. You can use a single PSU to electrical power various boards. Do not try and ability a single board with multiple PSU. You may need not be a mining specialist or need to have https://antminerz15secondhand65318.blogsmine.com/39658110/refurbished-antminer-z15-pro-840ksol-overview