This is a BIOSTAR TB360-BTC PRO 2.0 motherboard, specifically designed for multi-GPU cryptocurrency mining rigs. The large number of PCIe slots is the giveaway. BIOSTAR specifies 12 PCIe 3.0 slots—11 × PCIe x1 plus 1 × PCIe x16—allowing it to support up to 12 graphics cards for mining. ...