Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use. Expansion of 12 USB3.0 ports, plug and play, convenient and trouble-free USB3.0 interface: Instantly experience data transfer speed 10 times faster than USB2.0 through plug and play function. Support for Core 6th and 7th generation CPUs, LGA1151 is easy to use, low cost, low investment, and efficient mining Storage: 4 x SATA hard disk interface,1 x MSATA interface I/O interface: 2 x USB3.0 interface; 2 x USB2.0 interface; 1 x -compatible interface; 1 x PS/2 interface,1 x VGA interface Built-in I/O interface: 1 x USB2.0 pin; 1 x COM pin; 1 x F-PANEL front panel function button and indicator plug Needle BIOS: 64mb Flash ROM Power supply type: support ATX24P+ATX4P, 12V+ATX6P Note:(The appearance and color of different batches of products may be different, which will not affect the use) Ps: 1. N card: refers to the graphics card product developed by for company. 2. A card: refers to the graphics card product developed by for AMD company. Note: since the windows driver can only support 8 cards at most, the mining combination of 12 cards is generally (6N + 6A (8N + 4A, 8A + 4N) (7N + 5A, 7A + 5N) Colour:black Material: PCB Size:230x185mm Package Contents: 1 x Motherboard 1 x G3930 CPU 1 x DDR4 8GB 2666mhz RAM (the appearance and color are random, don't accept the specified ) 1 x SATA Cable (the appearance and color are random, don't accept the specified ) 1 x Switch Cable (random colors, don't accept the specified color) 1 x Cooling Fan (the appearance and color are random, don't accept the specified ) 1 x Thermal Grease (the appearance and color are random, don't accept the specified ) 1 x SSD 128G Only the above package content, other products are not included. Note: Light 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.