Features: brand new and high quality According to the original model design, perfect replacement installation, high-quality components. Compact, portable and light-weight, this product does not take much space and can be easily taken away. Made of high-quality PCB material, durable, long service for time, firm and stable in use. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable. The meticulous design, perfect in workmanship, durable and long service for time. Specifications: Material:PCB Model: BTC_B250B V1.0 12P 1X Chipset: for Intel B250 CPU Socket: support LGA1151 CPU Memory Support:Dual Channel DDR4 Dimm: 2x Memory Slots (Max. up to 32GB total) SATA: 4xSATA 1xMSATA LAN: Realtek 10M/100Mbps  Ethernet CPU TDP: 91W Support: Support 12 Graphics Cards Size: Approx. 30x19cm/11.81x7.5in Package Includes: 1x Mining Motherboard note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.