Oil Immersion Cooling Kit C1 Ultra Upgraded Version 4.3kW Home Office Mining for 1 Set S19 Series Overclocking (EXW)

Ultra Dry Cooler is designed for extreme heat or extreme overclocking mining, suitable for the Middle East erea or water shortage areas. C1 Ultra can hold one mining machine.


  • Outer size 410(L)*400(W)*475(H) mm
  • Inner size Inner size
  • Maximum Operating Load 4.3kW
  • Weight 20kg
  • Input voltage 200-240V 50/60Hz
  • Environmental Temperature -10°C-40°C

Product Detail



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.



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.


We support cryptocurrency payment(Currencies accepted BTC, LTC, ETH, BCH, USDC), wire transfer, western union and RMB.

Apexto has two warehouses, Shenzhen warehouse and Hong Kong warehouse. Our orders will be shipped from one of these two warehouses.

We offer worldwide delivery(Customer Request Acceptable): UPS, DHL, FedEx, EMS, TNT and Special Express Line (double-clear tax lines and door-to-door service for countries such as Thailand and Russia).


All new machines come with factory warranties, check details with our salesperson.


The costs incurred in connection with the return of the product, part, or component to our service processing facility shall be carried by the product owner. If the product, part, or component is returned uninsured, you assume all risks of loss or damage during shipment.

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