Intel C422 , LGA2066 , Maximum number of CPUs 1 , 1xPCI-Express 3.0 8x , 2xPCI-Express 3.0 16x , 2xU.2 , 1xM.2 , DDR4 , 2667/2400 MHz , Memory features RDIMM/LRDIMM , Memory slots 8 , 1x15pin D-sub , 2xUSB 2.0 , 2xUSB 3.0 , 1xCOM , 5xRJ45 , Video , LAN , RAID SATA 0, 1, 5, 10 , Included Accessories 1 x I/O shield1 x Quick start guide4 x SATA III 6Gb/s cables