1.The B75 USB-BTC motherboard uses all-solid capacitors to make the motherboard more stable; it supports LGA1155 CPU and uses the B75 chipset to give full play to the CPU performance 2. 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.3. 12-port USB 3.0 interface: With the plug-and-play function, you can instantly experience the data transfer speed 10 faster than USB 2.0.4. The motherboard of B75 mining machine has low power consumption, low calorific value, energy saving and power saving.The actual work done is lasting and rewarding.5.The motherboard is low in and in expansion interfaces, suitable for the mining industry.Display Interface: 1xHDMI-compatible, 1xVGA USB rear: 2xUSB2.0USB front: 1xUSB2.0USB rear: 2xUSB3.0USB front: 1xUSB3.0interface: 4xSATA Graphics interface: 12xPCIE1X (USB to) Network card interface: 1xLAN 100M network card Memory slot: 2xDDR3 CPU socket: LGA (1155) Chipset: BGA (B75) interface: 1xMSATA Latest BIOS initial : JCMOS Speaker interface: 1SPK Power interface: 24pin_ATXPWR Power interface: 4pin_ATX12V CPU type: support 1155 CPU: G530/G540/G550/ G620/G630/G640 /G1610/G1620/G1630 Random CPU Size: .23x18cm/9.06x7.09inches color:Black :PCB Package Contents: 1 x B75 motherboard 1 x random CPU(Cannot select specified CPU) 1 x cooling fan 1 x thermal grease 1 x Switch cable 1 x SATA cable (elbow) 1 x SATA cable (Straight) Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.