ASRock ASRock Fatal1ty Gaming Fatal1ty X99M Killer/3.1 LGA 2011-v3 Intel X99 SATA 6Gb/s USB 3.1 USB 3.0 Micro ATX Intel Motherboard Memory Standard: DDR4 3200+*(*OC)/ 2933*/ 2800*/ 2400*/ 2133 Number of Memory Slots: 4×288pin Audio Chipset: Realtek ALC1150 PCI Express 3.0 x16: 2 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE2 @ x16 mode) * If you install CPU with 28 lanes, PCIE1/PCIE2 will run at x16/x8. Max LAN Speed: Dual 10/100/1000Mbps PCI Express 2.0 x16: 1 x PCI Express 2.0 x16 Slot (PCIE3 @ x4 mode) * If SATA Express 10 Gb/s Connector is occupied, PCIE3 slot will run at x2 mode. CPU Type: Intel CoreTM i7 and Xeon 18-Core Processors Family Maximum Memory Supported: 64GB