Features: brand new and high quality Innovative design, convert PCIE 1x directly to USB3.0 interface, reduce intermediate transmission links, reduce costs, reduce signal attenuation, and make continuous long-term work more stable. Upgrade to compatible HDMI-compatible high-definition display interface, convenient and practical. Support for Core 6th and 7th generation CPUs, LGA1151 is easy to use, low cost, low investment, and efficient mining. This product uses high-quality materials, is durable, has a long service life, and is firm and stable in use. Expansion of 12 USB3.0 ports, plug and for play, convenient and trouble-free. Specifications: Processor: Supports all processors of the LGA1151 series Chipset: using for Intel B250 high-speed chipset Memory: 2xDDR4 DIMM memory slot, support 2133/2400MHZ memory, maximum support 16GB Display chip: integrated for Intel HD- Graphics core graphics card Display output: HDMI-compatible/12xUSB3.0 to PCI-E16X Network: 1xRTL8111F Gigabit Ethernet chip Storage: 4xSATA hard disk interface I/O interface: 2xUSB3.0 interface; 4xUSB2.0 interface; 1xHDMI-compatible interface; 1xRJ45 gigabit network interface; 1xPS/2 interface Built-in I/O interface: 1xUSB3.0 pin; 2xUSB2.0 pin; 1xCOM pin; 1xF-PANEL front panel function button and indicator plug Needle BIOS: AMI 64MB Flash ROM Power supply type: support ATX24P+ATX4P, 12V+ATX6P Size: approx. 230x175mm/9.06x6.89in Material:PCB colour:black Package Includes: 1PC x Motherboard 1PC x Switch Cable note: The appearance of different batches of products may be different, which will not affect the use. The sound card interface is cancelled for the motherboards of the following batches, because the sound card is not used for mining, and any functions are not affected. Please understand. Thank you!