Motherboard USB3.0 Interface DDR4 Dual Channel Memory LGA2011‑3 Pin PCB Material Computer Motherboards Item Type: Motherboard Material: PCB Motherboard Chip: Integrated Vhip Sound Card/Net Card, Main Chipset for Intel H81 Series, Net Card Chip Integrated Gigabit Net Card, Voice Frequency Chip Integrated 6 Channel Voice Frequency Chip Processor Specifications: CPU Platform for Intel, CPU Socket for LGA 2011-3, Support 1 CPU, Support CPU Type E5 V3/V4, i7-58xx/68xx Series Memory Specifications: Memory Type DDR4 2666/2400/2133MHz, Memory Slot 4 x DDR4 DIMM Top 128G Expansion Slots: 1 x PCIE X16 Graphics Card Slot, 2 x PCIE X1, 1 x USB3.0 Pin, 1 x USB2.0 Pin, 2 x SATA2.0 Interface, 2 x SATA3.0 Interface, 2 x NVME M.2 Interface (SATA/PCIE Each 1) I/O Interface: PS/2 Interface PS/2 Keyboard and Mouse Universal iInterface, 1 x RJ45 Net Interface (Gigabit Net Card), 2 x USB 3.0 Interface, 4xUSB 2.0 Interface, Voice Frequency Interface Motherboard Size: Approx. 23.6 x 18.6cm / 9.3 x 7.3in Battery Type: One Button Battery CR2032 (Ship with Inbuilt Battery) Battery Capacity: 240mAh