1. The ethereum chassis uses B85 main control chipset, integrated motherboard, native PCIE, large bandwidth, and strong compatibility. 2. The mining machine has a built-in 1800W high-power power supply, which provides a stable power supply for your mining machine. 4. The barebones graphics card of the mining machine is powered separately to reduce the overload of the motherboard, reduce the risk of motherboard damage, and make the graphics card work more stable and have a longer lifespan. 5. The mining rig chassis has 3 single-channel high-speed fans for heat dissipation, as well as large-area honeycomb cooling holes. The fan has a service life of 50,000 hours and power consumption is as low as 6W. 6. This 8-card miner has a 55mm graphics card slot pitch, which is compatible with most graphics cards on the market. 7. The shell of mining rig is made of 1mm thick galvanized cold-rolled steel plate.1. Can your products carry the customer's LOGO? Yes, we can provide OEM and ODM services, but there are certain requirements for the quantity, please consult our staff for details. 2. How do you guarantee the quality? We have our own factory and professional production line. In the production process of each machine, we strictly abide by the relevant production process guidelines. After the production is completed, each machine will be strictly tested before shipment to ensure that each machine you order can be used normally. If you need, we can send the test video to you. 3. How can I get your latest product catalog and price list? Please provide us with your contact information (such as email, Whatsapp, WeChat, etc.), we will get in touch with you within 12 hours. if you are very anxious to get the price, please call us or tell us in your email, we will give priority to answer your inquiry.Please send your questions or orders, we will serve you wholeheartedly. langchenguoji@aliyun.com longcaiwangzxt@aliyun.com whatsapp：+86-13018277227 whatsapp：+86-13411961308