Back Part of CPU computerskill2 Back Part of the CPUFig: Back Part of C.P.UIt is a back part of C.P.U. Where we can connect different types of devices. Such as: - Power Cable - SMPS (Switch Mode Power Supply) Fan - Mouse - Keyboard - Monitor - Printer - External Device - Speaker - Mice - Line In - USB Port - LAN Port./RJ45 Connector