USB PCIe Card, 4 Port USB 3.0 to PCI Express Card Expansion card, PCI-E to USB 3.0 4 Port Hub Controller Adapter, Rosewill RC-508 PCI-E to USB 3.0 Add On card

Just insert the RC-508 into the PCI-E slot of your motherboard, and own USB 3.0 ports immediately. PCI Express (PCI-E) is a standard interface on most types of motherboards. With PCI-E, RC-508 provides high-speed data transferring between PC and USB 3.0 devices, up to 5 Gbps; thus, you may directly enjoy high-resolution videos stored in your USB 3.0 storage, other than copying them to your PC in advance. RC-508 offers 4 ports of USB 3.0, and each supports backwards compatibility to USB 2.0 and 1.1 automatically, making it easy to copy files and enjoy videos simultaneously. Specifications   • Type: PCI Express to USB Card   • External USB Ports: 4 port USB 3.0   • Internal USB Ports: USB 3.0   • External Ports: 4 port USB 3.0   • Data Transfer Rate: Up to 5.0 Gbps   • Operating Systems Supported: Windows® XP/Vista/7/8/8.1 (32/64 bit) Features   • Chipset: Renesas uPD720201   • Supports 4 downstream ports for all speeds   • Supports the following speed data rates as follows:   • Low-speed (1.5Mb/s) / Full-speed (12Mb/s) / High-speed (480Mb/s) / Super-speed (5Gb/s)   • Single-lane (x1) PCI Express throughput rates up to 5 Gb/s   • Support USB Battery Charging Specification Revision 1.2   • Fully compliant with PCI Express Base Specification Revision 2.0   • Compliant with Universal Serial Bus 3.0 specification Revision 1.0   • Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices   • Compliant with Intel's eXtensible Host Controller Interface (xHCI) Specification Revision 1.0   • Built-in 4-pin power connector for receiving extra power supply from system   • Hot-swapping feature allows you to connect/disconnect devices without powering down the system

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