Sapphire Pulse Radeon RX Vega 56 8GB HBM2The reference cards having a blower-type cooler are usually noisy when under full load (see pic below). Which VEGA 56 model are you talking about ? A custom AIB model ? The AMD Radeon RX Vega 56 draws power from 2x 8-pin power connectors, with power draw rated at 210 W maximum.
Which Power supply do you have ? Also, list full PC specs, including the CPU model.