USB 3.0 built-in 19/20pin dual port Internal PCI-E expansion card, no need to power the front panel PCIe USB3.0 expansion card uses the NEC master chip-D720200AF1. Using this product, two 19/20pin interfaces can be expanded on the PCIE 1X/2X/4X/8X/16X card slot to connect to the USB3.0 interface on the front panel of the 19/20pin computer.
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