X99H Motherboard 4 DDR4 LGA2011 3 Pin Support CPU V3 V4 USB3.0 SATA Port PC Mainboard for Desktop Item Type: Motherboard DDR4 Material: PCB Motherboard Chip: Integrated Chip Sound Card, Net Card; Main Chipset for Intel H81 Series; Integrated Net Card; Audio Chip Integrated 6 Channel Sound Effect Chip Processor Specifications: CPU Platform for Intel; CPU Slot for LGA 2011 3; Supports 1 CPU; Supports CPU Type E5 V3, V4, i7 58xx, 68xx Series Memory Specifications: Memory Type DDR4 2666, 2400, 2133MHz; Memory Slot 4×DDR4 DIMM Summit 128G (Color Main Memory Slot) Expansion Slot: 1xPCIE X16 Graphics Card Slot; 1xPCIE X1; USB3.0 Pin (1 Group); USB2.0 Pin (1 Group); 2x SATA2.0 Interface; 1xSATA3.0 Interface; 1xNVME M.2 Interface (SATA, PCIE Have Jumper Switch) I, O Interface: PS 2 Interface PS 2 Keyboard and Mouse General Interface; 1xRJ45 Net Interface; 2xUSB 3.0 Interface; 6xUSB 2.0 Interface; Audio Interface Motherboard Size: Approx. 21.4 x 18.6cm / 8.4 x 7.3in Other Parameters: One 8 Pin Power Socket, One 24 Pin Power Interface; Power Supply Mode 6 Phase Battery Type: Button battery CR2032L (Battery Not Included)