Feature:1. LGA 2011 V3 SLOT: PC motherboard supports 5th/6th generation for Intel for Core i7 processors and for E5 V3/V4 series processors. For example, for E5 2650 V3, for E5 1650 V4, for E5 2698 V4, for i7 6900K, for i7 5930K, etc. (Not compatible with LGA 2011 slot, not compatible with REG ECC for i7 series processors.)2. 4 CHANNEL DDR4 MEMORY SLOTS: The gaming motherboard has 4 DDR4 memory slots. Supports regular memory and ECC server memory, memory capacity up to 64GB, memory type DDR4 3000/2666/2400/2133 MHz. specializes in large games to easily cope with large scale film and television modeling and rendering.3. ULTRA FAST TRANSFER SPEEDS: Dual M.2 hard disk interfaces that can support NVME M.2 and SATA M.2 interface types, PCIe 3.0 standard, and data transfer speeds up to 32Gbps.4. WITH RTL8111G GIGABIT LAN CARD: X99 desktop motherboard is equipped with RTL8111G Gigabit LAN card, providing smoothly network connection, 8 layer PCB material design, signal anti interference ability, 6 phase power supply, to ensure stable CPU operation.5. MULTIPLE EXPANSION SLOTS: Expansion slots include 1x PCIE X16 graphics slot, 1x PCIE X1 slot, 1x WIFI slot, 4x USB 2.0 slots, 2x USB 3.0 slots, 4x SATA 3.0 slots, 2x PS/2 slots, 2x NVME M. 2 ports.Specification:Item Type: X99 LGA 2011 V3 MotherboardMaterial: PCBBattery: CR2032 (Ship with Inbuilt Battery) Capacity: 240mAhCPU Socket Type: LGA 2011 V3FSB: 2133/2400/2666MHZMemory: 4 Channel Architecture, Memory Up to 64GB, Supports DDR4 3200/2933/2800/2666/2400/2 133MHzExpansion Slots:1xPCI Express 16x Slot1xPCI Express 4x Slot2xNVME M.2 Connectors1xWIFI ConnectorOnboard Interfaces:1 x 24pin ATX Power Connector1x8pin ATX Power Connector1xUSB3.0 Connector, Can Support 2xUSB 3.01xUSB2.0 Connector, Can Support 2xUSB 2.01xF Audio Connector1xFPANEL Connector1xF Speaker Connector3xFan Connectors1x LPC Debug ConnectorI/O Interfaces:1xPS/2 port4xUSB2.02xUSB3.01xGigabit RJ45 Port1x3 in 1 Audio Port (Line In/Line Out/MIC In)Size: Approx. 24 x 19cm / 9.4 x 7.5in.Package List:1 xMotherboard (Ship with Inbuilt Battery) Note:1.Before purchasing this server motherboard, make sure you can install it yourself. Of course, they are easy to install. After normal installation of the motherboard, if there is no display, no power on, no screen, no network card, no sound card, etc., we suggest that the customer restoring the factory settings, reset the CMOS or wipe the metal contacts on the motherboard The motherboard memory, CPU, and graphics card (the parts that are in contact with the motherboard) are erased with a rubber eraser to improve the poor contact and other conditions.2.Server memory and desktop memory cannot be used together