The ASRock X99 Extreme4 uses the Intel Socket 2011-3 / R3 / LGA2011-3 CPU socket. Any compatible Intel CPU will have the same socket entry. It uses the DDR4 memory type, with maximum speeds of up to 3200 MHz, and 0 DDR4 slots allowing for a maximum total of 128 GB RAM.

Conforming to the ATX standard, the ASRock X99 Extreme4 should fit into the majority of cases. ATX is the most common form factor, and as such has a high degree of compatibility with other components while providing a decent number of slots to widen your expansion options.

The ASRock X99 Extreme4 does not support onboard graphics. Any system build that uses this motherboard therefore requires a separate graphics card, or a processor that has a GPU on the same die, such as AMD APU processors. There are 4 PCIe x16 slots on this motherboard. This means it is perfectly capable of accommodating the latest graphics cards, although it is important to try and use a graphics card with the same graphics card interface of Not sure, as anything below will not reach the motherboard's potential, and anything above will have its performance slashed to the bandwidth maximum of the ASRock X99 Extreme4's Not sure. The ASRock X99 Extreme4 does not support multiple graphics cards via Nvidia SLI or AMD Crossfire.