Optimized computing power: This motherboard kit is equipped with Xeon E5 V3/V4 CPU processor, which can provide powerful performance for demanding applications and multitasking. Adopting all-solid capacitors, 6-phase power supply, stable performance, greatly extending the life of the motherboard. Gigabit network interface, using Gigabit Fast Ethernet, high-performance network control chip, fast transmission speed. High-speed M.2, can provide high performance, in of games, graphics, data analysis, can provide high-performance heavy-load loading speed. SATA3.0, focusing on performance, improving computer performance, can start programs faster. Motherboard model:X99M-A motherboard Motherboard version:Micro-ATX CPU slot:Xeon E5 V3/V4 CPU Memory slot:4*DDR4 128G (1600/1866/2133/2400) SATA interface:4*SATA3.0 M.2 slot:1*M.2 2280 NVMe x4; 3.0 Port+NGFF Graphics card slot:1*PCI-E3.0x16 Sound card: 5.1 channel high-definition audio chip Network card: 1*Gigabit network port USB interface: 8*USB2.0 interface, 4*USB3.0 interface (1*F_USB3.0 pin, 2*USB3.0) (1*F_USB2.0 pin, 6*USB2.0) Other interfaces: F_AUDIO, 3PIN CPU_FAN 3PIN SYS_FAN, 1*AUTO_ON 1*24pin ATX power supply interface, 1*8pin 12V power supply interface, 1*auto on, 1*CLR_COMS, 4*3 NGFF_NVME Transfer pin The product appearance and printed words depending on the batch, but this does not affect use. Colour:Black Material:PCB+Components Package Contents: 1 * Motherboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.