1. The ethereum case uses the B85 main control chipset, native PCIE, large bandwidth, and strong compatibility. 2. Rig Miner has a built-in power adapter and an integrated motherboard. The interior is clean and tidy, with few lines and unobstructed air ducts. 4. Mining rig barebone graphics card 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. Mine rig single channel 4 high-speed fan for heat dissipation, the service life is 50,000 hours, and the power consumption is as low as 6W. 6. 8 card miner 65mm graphics card slot spacing, suitable for most graphics cards on the market. 7. The outer shell of the mining rig chassis is made of cold-rolled steel plate with a thickness of 1mm.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. This machine only has 4 fans, but I want 8 fans, can I? Yes, as long as you have this requirement, we can install 8 fans for you, but the price will be different, you can negotiate with our staff. 3. Why should buy from you instead of buying from other suppliers? We have been engaged in the research and development, production and sales of blockchain mining machine related products for nearly 6 years, and have very rich production experience and market experience. For blockchain mining machines, we have a strong supply capacity. In addition, we have established a professional after-sales team and foreign trade team to ensure that every customer can get the best shopping experience.Please send your questions or orders, we will serve you wholeheartedly. langchenguoji@aliyun.com longcaiwangzxt@aliyun.com whatsapp：+86-13018277227 whatsapp：+86-13411961308