Features: brand new and high quality Durable material: This product is made of high-quality materials, durable, long service life, firm and stable in use. Meticulous workmanship: well-designed, perfect workmanship, durable and long service life. Perfect match: Designed according to the original model, perfect replacement and installation, high-quality components. Quick start, load and file transfer. Low power consumption, quiet, reliable and durable. Small and portable: This product is very small and light, does not take up space, and can be easily taken away. Specifications: Motherboard chip: Integrated chip network card Main chipset: For Intel B250 Network card chip integrates RTL8105e and other fast network cards Audio chip: no sound card Processor specifications: CPU platform: For Intel Core 6th Generation/Pentium/Celeron CPU socket: LGA 1151 Memory specifications: Memory type: DDR4 2133/2400/2800/3000MHZ up to 16G Memory slot: 2xDDR4 Expansion lock: 1xPCI-E X16 Graphics Slot 11xPCI-E X1 Graphics Slot 2x USB2.0 pins 1x USB3.0 pin 1x COM pin 2x4p square power interface 4xSATA3.0 interface I/O interface: PS/2 interface keyboard and mouse universal interface 2 1xRJ45 network interface 1xDVI High Definition output 2xUSB 3.0 interface 4xUSB 2.0 interface 1xVGA audio port Colour black Material: PCB Size: approx. 29.5x19cm/11.6x7.5in Note: The appearance of different batches of products may be different, which does not affect the use. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may look slightly different from the actual item. Package includes: 1PC x B250 BTC Mining Motherboard 1PC x SATA Cable