Different Configurations for Single & Dual Channels. While dual-channel configurations necessitate the installation of pairs of identical RAM modules in particular slots for maximum performance, singldaman games apk downloade-channel configurations use a single RAM module at a time. By enabling simultaneous data access across multiple memory modules, dual-channel configurations can greatly increase memory bandwidth and overall system performance. Configurations with four channels. In order to achieve maximum memory bandwidth, quad-channel configurations require the installation of sets of four identical RAM modules.