ASMedia ASM3242 master chip delivers full 20Gbps USB 3.2 Gen2x2 bandwidth; Single USB-C port supports 20W QC fast charging for phones & portable devices; 15Pin SATA power input supplies stable power for high-load USB peripherals; PCIe 3.0 x4 lane design compatible with PCIe x4/x8/x16 motherboard slots; Dual replaceable brackets fit standard ATX & slim low-profile ITX cases