LRSU9A11-4A(3U)is a PCI Express 2.0 x4 quad-port USB3.0 Type-A 5Gb USB3.0 adapter developed based on the Renesas uPD720202 master control solution. This USB adapter can easily expand 4 USB ports to a PC or server to connect multiple external devices such as external storage, external CD/DVD drive, digital camera, printer, webcam through available x4 or higher PCle slot and other equipment. Each port of the USB adapter can provide up to 5Gb/s data rate, and this port supports hot plugging, allowing users to connect and disconnect external drives as needed during use. The adapter configures the new USB3.0 standard to support data transmission speed ten times faster than the previous generation USB2.0 standard, so that it can quickly and efficiently transfer and backup a large number of photos, music and movies.