1. Using B85 chipset, native PCIE, large bandwidth and strong compatibility. 2. The control card uses a backplane design, which is stable and does not deform; the control card + slot bottom plate, modular design, convenient operation and maintenance, and easy disassembly and assembly. 3. Built-in power supply, convenient management, clean and tidy inside, few lines and smooth air duct. 4. The graphics card is powered separately to reduce the motherboard overload, reduce the risk of motherboard damage, and make the graphics card work more stable and have a longer lifespan. 5. The layout of front and rear double-row fans, dual-channel heat dissipation, high-speed fans with a service life of 50,000 hours, current as low as 0.48A, large air volume and long service life. 6. 65mm ultra-wide graphics card spacing, suitable for most graphics cards on the market. 7. The chassis is made of cold-rolled steel, the thickness is 1mm, and the surface is black sandblasted. 8. The unique front panel system, front VGA port, USB port, wired network port, power port, can be deployed at will, and is more user-friendly. 9. The exclusive graphics card work detection system can quickly read the number of graphics cards and quickly identify faulty graphics cards.1. Is this miner noise-free? Quiet miners are not noiseless. Compared with traditional mining machines, the noise is much lower. The noise value is determined by the graphics card, power supply and use environment you configure. 2. How long does the normal product delivery time take? Spot products can generally be shipped within 7 days. Customized products need to negotiate the delivery time with the staff. 3. Why buy from you instead of other suppliers? In 2015, we began to engage in the research and development, production and sales of blockchain mining machine related products. With rich production experience and market experience, we are constantly innovating and optimizing our products. In addition, we have a professional after-sales team and foreign trade team to ensure that every customer has the best shopping experience.Main picture description: This mining machine comes standard with 800W power supply. Due to the different shooting prototypes, the main drawing prototype is equipped with a 1600W power supply.Please send your questions or orders, we will serve you wholeheartedly. langchenguoji@aliyun.com longcaiwangzxt@aliyun.com whatsapp：+86-13018277227 whatsapp：+86-13411961308