Features: brand new and high quality Equipped with 2 DDR4 2133/2400/2800/3000 MHZ up to 16G memory slot support LGA 1151 CPU socket, network card chip integrates RTL8105e , 1 PCI-E X16 11 PCI-E X1 power supply socket, significantly improve motherboard performance. High compatibility for a higher experience. All solid capacitors, fine workmanship, professional stability. It can ensure quiet performance, low power consumption, less heat generation, energy-saving, and safe use. Obvious energy saving, overclocking, low power consumption, maximum bandwidth and shortest response for time. Quick start, loading and file transfer. Effectively reduce interface interference and wire loss, to ensure data reliability, so as to improve work efficiency.So that the main board power is free from external interference. Specifications: Integrated Chip network card Main Chipset: For B250 Network Card Chip Integrates RTL8105e and other fast network cards Audio Chip: no sound card Processor specifications: CPU platform: For Core 6th Generation/Pentium/Celeron CPU socket: LGA 1151 Support CPU quantity: 1 (not included) Memory type: DDR4 2133/2400/2800/3000 MHZ up to 16G; Memory slot: 2xDDR4 Expansion slot: 1x PCI-E X16 graphics slot; 11x PCI-E X1 graphics slot 2x USB2.0 pins; 1x USB3.0 pin; 1x COM pin; 2x 4p square power interface; 4x SATA3.0 interface I/O interface: PS/2 interface keyboard and mouse universal interface 2 1xRJ45 network interface; 1xDVI HD- output; 2xUSB 3.0 interface 4xUSB 2.0 interface; 1xVGA Audio port Size:approx 29.5x19cm/11.61x7.48in Material:PCB Colour:black Package Includes: 1 x Motherboard 1 x Switch Cable note: The appearance and color of the product will be different in different batches, which will not affect the use Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!