Asus Micro ATX DDR4 LGA 1151 Motherboard B150M-C/CSM Socket: LGA1151 Chipset: Intel B150 Memory: 4x DDR4-2133 DIMM Slots, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 2x PCI-Express 3.0/2.0 x16 Slots (one runs at x4), 1x PCI-Express 3.0/2.0 x1Slot, 1x PCI Slot SATA:6x SATA3 Ports Audio: Realtek ALC887 7.1-Channel High Definition Audio CODEC Ports: 6x USB 3.0/2.0 Ports (4 rear, 2at mid-board), 6x USB 2.0/1.1 Ports (2 rear, 4 at mid-board), 1x PS/2 Keyboard Port, 1x PS/2 Mouse Port, 1xVGA Port,1x DVI-D Port, 1xHDMI Port, 1x DisplayPort, 1x RJ45 LAN Port, Audio I/O Jacks Form Factor: MicroATX, 9.6 x 8.9 inch / 24.4 x 22.6 cm