3x PCI-E x16 slot. 4x SATA 6G. 4x USB 2.0 (Front). 100% Aus Owned. Over 60,000 Products Sold. • 2DPC 2R Max speed up to 4800+ MT/s. • 2DPC 1R Max speed up to 4800+ MT/s. M.2_2 Source (From CPU) supports up to PCIe 4.0 x4, supports 22110/2280/2260 devices.