12 PCIe Slots: This B250B motherboard has 12 x PCIe slots that can be connected to several graphics card, faster mining speed. Item Type: B250B Motherboard. 1 x B250B Motherboard. Widely Compatible: This PC motherboard supports graphics cards of series 30, series 20, series 16, series 10, series RX and type P(Support LHR GPU).
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