Feature: 1. ATX Structure: This desktop motherboard adopts ATX structure, which supports LGA 2011 3 CPU socket. Equipped with 2 USB 3.0 interfaces, 4 USB 2.0 interfaces, 3 SATA 3.0 and 1 M.2 interface. 2. 4 Channel DDR4: This ATX motherboard is designed with 4 DDR4 memory slot which supports up to 128GB memory expansion. 3. 1000M Network Card: This DDR4 motherboard adopts Realtek8111 Gigabit network card, which is a high performance network interface designed for gamers 4. Multi Phase Power: This ATX motherboard adopts 24+8pin 7 phase power, which is stable, precise and evenly distributed, the heat load of various power chipsets increases CPU performance. 5. All Solidstate Capacitor: This desktop motherboard adopts all solidstate capacitor to make sure stable performance and long service life of circuit board. Specification: Item Type: DDR4 Motherboard Material: Printed Circuit Board Motherboard Model: X99 Motherboard Type: ATX Product Size: Approx. 215 x 185mm / 8.5 x 7.3in ( Manual Measurement, Slight Error May Exist ) CPU Slot Type: LGA2011 3 Network Card: 10/100/1000Mbit Network Card Chip Graphics Card Slot: 1 x PCI E 16X Gen 3.0 Supported Memory Type: 4 X DDR4 DIMM Memory Support: 2133/2400/2666 Memory Maximum Memory Capacity: 128GB Hard Disk Port: SATA3.0 x 3, M.2 Port x 1 USB Port: USB3.0 x 2, USB2.0 x 4, Front USB2.0 Pin x 1, Front USB 3.0 Pin x 1 Expansion Port: PCI E 1X Expansion Slot x 1 Power Supply: 24+8 Pin 7 Phase Power Supply Battery Type: CR2032 Button Battery (Inbuilt Battery) Battery Capacity: 240mAh. Package List: 1 x X99 Motherboard1 x Bracket1 x SATA Cable