1、SUPPORTED CPU: LGA 2011 3 CPU socket, support CPU type E5 V3 / V4, i7 58xx, 68xx series, one 8pin power socket and one 24pin power socket. 2、4 DDR4: Motherboard supports 4xDDR4 DIMMs up to 128G, memory type DDR4 2666, 2400, 2133MHz. 3、SATA PORT: Motherboard supports SATA port, compact and easy to install, it's easy to use and highly compatible. 4、FULL SOLID STATE CAPACITANCE: Gaming mainboard is designed with full solid state capacitors, the power cooling block is more stable and durable. 5、PCB MATERIAL: The mainboard is made of PCB material for high performance and stable performance for your convenience. Item Type: X99M H DDR4 Mainboard Material: PCB, Metal Built in Battery: CR2032x1 240mah Motherboard Model: X99M H Motherboard Type: M ATX Motherboard Size: Approx. 242 x 200mm / 9.5 x 7.9in Graphics Card Slot: PCIE 16Xx1 NIC: Gigabit Adaptive NIC. CPU Socket Type: LGA2011 3 V3 / V4 Memory Slots: DDR4x4 Peaking Memory Capacity: 128GB Hard Disk Interface: SATA2.0x2, SATA3.0x2, M.2 interface (Support NVME Protocol) Power Connector: 8pin x1, 24pin x1 USB Interface: USB3.0x4, USB2.0x2, USB3.0 Pin x1, USB2.0 Pinx1 Expansion Interface:PCIE 4Xx1, COM Pin, M.2 Wifi Interfacex1 1 x Mainboard 1 x Metal Plate 1 x Connection Cable