DDR4 Motherboard 5 PCIe Slots 8 SATA3.0 DDR4 Memory High Speed Desktop Motherboard for Computer PC Replacement Item Type: DDR4 Motherboard Material: Printed Circuit Board Motherboard Chip: Integrated Chip: Sound Card, Network Card Chipset: X99 Series Network Card Chip: Integrated Gigabit Network Card Audio Chip: Integrated 6 Channel Audio Chip CPU Specification: CPU Slot: LGA 2011 3 Supported CPU Quantity: 1Supported CPU Type: for E5 V3/V4, for i7 58xx/68xx Series Memory Specifications: Memory Type: DDR4  2666/2400/2133MHz Memory Slot: 4×DDR4 DIMM Maximum 128G Extension Slot: 2 x PCIe X16 GPU Slot, 3 x PCIe X1 Slot, 1 Group of USB3.0 Pin, 1 Group of USB2.0 Pin, 1 x WiFi Module Interface, 8 x SATA3.0 Interface, 1 x NVME M.2 Interface(PCIE) I/O Interface: PS/2 Interface, PS/2 Keyboard Mouse Universal Interface, 1 x RJ45 Network Interface, 4 x USB 3.0, 4 x USB 2.0, Audio Interface  Battery Type: Lithium Manganese Battery Battery Model: CR2032L Battery Capacity: 140mAh (Battery Included)