MINER Machine Antminer S9i 14TH/s Asic miner 1.Power consumption figures will vary with your PSU's efficiency, the ambient operating temperature and the accuracy of the power meter. 2. Hash Rate: 14TH/s 3. Most Power Efficient Miner in Existence: 93.12 J/TH 4. There are 3 PCI-e connectors for +12V DC input on each hashing board 5. All 3 need to be connected to the PSU for the hash board to operate. Do not connect more than one PSU to the same hashing board! 6. Please note that this model machine has reach to 1350W, it MUST require 220V-240V voltage for Running here. IF you just have 110V Voltage, please check this item: 9SIB1N8J1M5168. 7. This model machine unit itself is Refurbished condition one.