With the increasing demands on the 12V lines, many new power supplies have multiple 12V rails listed as +12V1, +12V2, and +12V3, depending on if it has two or three rails.
Site n'inwekwu ugwo na oghere 12V, ọtụtụ ikike ọkụ ọhụrụ nwere ọtụtụ rails 12V nke a ga-edepụta dịka + 12V1, + 12V2 na 12V3 dabere na ọ nwere ụzọ abụọ ma ọ bụ atọ.