Motherboard Model X79-4M V3.0 chipset Intel H61 series CPU Socket supports Intel LGA2011 platform processor memory slot(s) 2 x DDR3 memory slot(s) supports server memory Memory Standard supports dual-channel DDR3 1866/1600/1333MHz specification memory (depends on CPU), max support 64GB Storage Interface 4 x SATA2.03Gb/s HDD port Expansion Slots 1 x PCIExpress3.0x16 slot, 1 x PCI Express3.0x1 slot Expansion Interface 1 x M.2 2280NVME PCIEX43.0 32Gb/s Onboard Audio 5.1 -channel sound card Onboard LAN Gigabit LAN Power Connector 24PIN+8PIN Fan Headers 1 x CPU_FAN header, 3 x SYS_FAN header Power Phases 7 -phase power supply PCB Layers 4 Layer Motherboard Specifications 215*168MM M-ATX form factor Rear Panel Ports 1 x PS/2 keyboard/mouse port, 6 x USB2.0 port, 1 x LAN port, 1 x 3 -hole audio port Front Panel Ports 2 Groups USB2.0 header, 1 Groups front audio header, 1 Groups COM header Supported OS Windows7Windows10Windows11BIOSAMI UEFI BIOS Package Contents 1 Piece motherboard, 1 Piece SATA SATA data cable, 1 Piece IO I/O shield, 1 warranty card