The PCIe USB 3.0 adapter is compliant with USB 3.0. Actual transfer rate will vary depending upon environmental factors. The PEXUSB3S23 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to any PCI Express-enabled computer system, with an optional SATA power connector to connect to your system power supply and deliver up to 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0). The PEXUSB3S25 2-Port PCI Express USB 3.0 Card lets you add two USB 3.0 ports to your PCI Express-enabled computer system, with an optional LP4 power connector to connect to your system power supply and deliver up to 900mA of power per port to USB 3.0 bus-powered devices (500mA for USB 2.0). It easily connects to a motherboard via PCI Express X1 interface to add. Note, The Intel USB 3.0 eXtensible Host Controller Driver is not supported on Windows XP and Windows Vista.
* 5 Gbps is the maximum transfer rate derived from the specifications of the Universal Serial Bus 3.0 and the ExpressCard. Add 2 SuperSpeed USB 3.0 ports to your PCI Express-enabled PC. Buy PCI USB 3.0 Computer Port Expansion Cards and get the best deals at the lowest prices on eBay 7, the PCI USB 3. Expand Your Storage: Great for connecting external USB 3.0 hard drives The PEXUSB3S4V PCI Express USB 3.0 Card (with SATA Power) adds 4 external USB 3.0 ports to any PCI Express-enabled computer system with support for data rates up to 5 Gbps, while remaining backward compatible with USB 2.0 / 1.x devices.Backward Compatible: Works with USB 2.0 devices.The New Standard for USB: Connect any USB 3.0 device to your PC.Boost Your Peripheral Capability: USB 3.0 PCI Express interface card with 2 ports.SuperSpeed USB 3.0: Ultra-fast transfer rates - up to 5 Gbps*.
USB 3.0 Interface Card for PCI Express is the best way to upgrade your current PC for use with SuperSpeed USB 3.0. PCI-E to USB 3.0 7-Port(2x USB-C - 5x USB-A )Expansion Card ,PCI Express USB 3.0 Add In Card, Internal USB3 Hub Converter for Desktop PC host card Support Windows 10/8/7/XP and MAC OS 10.8.2 above 4. In addition to supporting USB 3.0 devices, it is backward compatible with USB 2.0 devices, offering connection to either of the two available ports. Cheap Add On Cards, Buy Quality Computer & Office Directly from China Suppliers:USB 3.0 to PCI E 2 Port PCI Express Expansion Card 19 Pin Power Connector Super Speed for Desktops PC Enjoy Free Shipping Worldwide Limited Time Sale Easy Return. Buffalo's Interface Card for PCI Express is a simple solution for connecting to and using USB 3.0 devices on your PC.