Who is QIO TECH As a professional distributor of Antminer and innosilicon, QIO TECH has involved in this business for already 3 years, We always can provide the authentic miners and it’s accessory. Quality first is always our consistent pursuit,. The emphasis upon quality is not a reflection of a trend or from regulatory pressure, but the core value of QIO TECH. Specification Input Voltage: 100-264V AC Frequency Range: 47-63HZ Input Voltage of 110V: 1000W, 83.3A Input Voltage of 220V: 1800W, 150A Power Supply Conversion Effeciency: 95%