Computer Motherboard X99 4-Channel DDR4 Memory LGA2011-3 PIN CPU with SATA Connecting Cable Item Type: Computer MotherboardBuilt-in Battery: Lithium manganese button battery CR2032 3V 240mAh Motherboard Chip: Integrated sound card / network card main chipset for Intel X 99 series Audio chip integrated 7.1-channel audio chip Network card chip integrated RTL8111H Gigabit network card Processing Unit Specifications: CPU socket LGA 2011-3 CPU type for Xeon series 58 or 6869 beginning 2011-V 3 (such as 5820K5960K) And i7 series (on i7CPU cannot be used with server memory module at the same time) Memory Specifications: Memory type DDR 42400 / 2333MHz (REG ECC or ordinary desktop memory) Memory slot 4xDDR4DIMM Memory capacity up to 4 x 32G Expansion Slot: 2XPCI-E x 16 graphics slot 3XPCI-EX 1 slot 2XUSB 2.0 slot (1 group) 2XUSB 3.0 interface (1 group) 8 x SATA 3.0 interface 1XM.2PCIENVME high-speed hard disk interface (full speed) I / 0 Interface: For PS / 2 interface, for PS / 2 keyboard and mouse universal interface 1XRJ 45 network interface 4XUSB 2.0 interface 4XUSB 3.0 interface 7.1 channel audio interfaceSize: Approx. 220 x 280mm / 8.7 x 11in