ndustry-standard ATX server board with multiple expandability options P11C-C/4L is a server motherboard based on the Intel Xeon E platform and Intel C242 chipset offering quad server-class Intel Ethernet and flexible expandability with dual M.2, six SATA 6G, two PCIe, and one PCI slot for legacy devices. The layout is rack-optimized placement where the CPU and memory are placed in a parallel arrangement directly behind the fan inlet to promote maximum cooling for excellent thermal efficiency.