The SLI system allows linking of multiple video cards to increase graphics processing power. The Crossfire system also allows multiple graphics cards but is AMD's technology. The motherboard being discussed uses the ATX form factor and has many ports and features including support for multiple graphics cards. It has specifications for the CPU, memory, audio, networking and expansion slots. The documentation provides steps for installing components like CPUs, cooling systems, memory modules, expansion cards and multiple graphics cards in SLI or Crossfire configurations. It also describes BIOS setup options and safety precautions.