2-Port SuperSpeed USB 3.0 PCI-E Express Expansion Host Controller Card (NEC/Renesas Chipset)
This is a PCI Express 1x card that requires one free PC Express slot on the computer's motherboard. The carduse the same NEC/Renesas chipset that many manufacturers use for adding two additional USB 3.0 ports to their motherboards.Please note: There might be a compatiblilty issue with this card, if the motherboard that this card will be installing into already has the NEC PD720200 chipset built into it. This card now comes with a low profile bracket and the SATA power to 4 pin Molex adapter cable that is needed if a USB device requires more power than the PCI Express slot can provide. Plugging in a 4 pin molex power connector from your computer's power supply will allow this card to support USB devices at 5+V/900mA per port.Now includes low profile bracket and SATA power adapter