<b> <b> Special provision </b> <br> <br> <br> <b> Breaking down cryptocurrencies involves financial risks. These risks may relate to changes in the exchange rate of the cryptocurrency or to changes in the algorithm used to mine the cryptocurrency. Please consider carefully before you make a purchase, as we do not accept refund requests for orders of this bitcoin Miner Antminer S19j . </b> <br> <br> <br> <br> <br> <b> Description </b> <br> <br> 1. Bitmain Antminer S19j Mining Hash Rate: 90TH <br>. <br> 2. Power Consumption: 3250W. <br>. <br> 3. Power Efficiency:36±5%. <br>. <br> 5. Dimensions: 400mm ( L) * 195mm (W) * 290mm (H). <br> <br> 6. Cooling: 2x 12038 fans. <br>.