So even if the pcie version of the splitter card is v3.0, if the slot on the motherboard which it connects to is v2.0, the bandwidth will conform to that of pcie v2.0. With 18 pcie x1 and one pcie x16 slots on board, plus three zoned atx12v power connectors, b250 mining expert lets you run up to 19 nvidia or amd gpus* in parallel to max out your megahash rates! SUPoX Introduces B250ABTC D+ For Native 8GPU Mining! No Ensure the mining rig is completely powered off, including turning off the master power on the psu. Pcie slot configuration for mining . I agree that lots of low bandwidth links (like a 8x pcie x1 slot or nvme m.2 slot adapter card) to the cost effective power of some mainstream peripherals, would be a powerful tool for some powerful apps. (one of the powerfully simple reasons why i choose this as the mining os). If you have, please share in the comments. Unfortunately, it looks like plugging your card into the 4th pcie slot puts it in x8 mode. However, the rea...