Up for sale is a powerful power supply unit for use with Antminer S9 and S7 mining machines. This power supply unit is designed with a high power rating of 1600W and is compatible with both 110V and 220V power sources. It is a reliable and efficient choice for anyone looking to power their Antminer mining machine and maximize their mining output. The power supply unit is from the brand Antminer, a reputable name in the mining industry known for their high-quality products. This item is perfect for anyone looking to increase their mining efficiency and profitability.