We are the global distributor of foghashing. We offer periodic promotions, which may be lower than the official retail price. At the same time, we provide you with one-stop mining services to help you choose more suitable products.   C1 Ultra VS C1 1. Different Usage Scenarios Ultra Dry Cooler is designed for extreme heat or extreme overclocking mining. Immersion cooling mining in the Middle East has completed actual use tests. 2. With Different Dry Cooler The C1 Ultra Dry Cooler is suitable for areas with higher temperatures than the C1 Dry Cooler. The C1 Ultra Dry Cooler has a larger size and higher power consumption for cooling operation at high temperatures.   Note: 1. The product you purchase includes an oil box and a dry cooler. This product is only supported to be sold as a package, as the dry cooler you may not be able to purchase a matching dry cooler on your own. 2. This product does not include shipping costs, please contact the salesperson to confirm the shipping costs before placing an order.