StarTech.com 4 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power PEXUSB3S4

Price: $32.99 (as of 2013-05-27 - Details)

Uses a SATA power connector for compatibility with newer systems that have limited or no LP4 power supply connections, to ensure maximum power for USB devices..

StarTech.com 4 Port SuperSpeed USB 3.0 PCI Express Card with SATA Power PEXUSB3S4 Feature

SuperSpeed USB 3.0 connectivity at up to 5 Gbps and 80% more power than USB 2.0

Dual profile design to fit into Full or Low Profile/small form factor (SFF) systems

Adds four USB 3.0 ports in total; 3x External, 1x Internal

Fully compliant with USB 3.0 revision 1.0 specifications and Intel xHCI rev0.95 specifications, with transfer rates up to 5 Gbps

Uses a SATA power connector for compatibility with newer systems that have limited or no LP4 power supply connections, to ensure maximum power for USB devices