4-Port PCI Express SuperSpeed USB 3.0 Controller Card

The SuperSpeed USB 3.0 PCI express card adds 4 external USB 3.0 ports with support for data rates up to 5 Gbps, while remaining backward compatible with USB 2.0 / 1.x devices.

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4-Port PCI Express SuperSpeed USB 3.0 Controller Card with UASP - USB 3.0 Expansion Card with SATA Power (PEXUSB3S4V)

Brand	StarTech
Hardware Interface	USB 3.0
Item Dimensions LxWxH	3 x 0.7 x 2.7 inches
Style	PCI Express
Item Weight	0.07 Kilograms

About 4-Port PCI Express SuperSpeed USB 3.0 Controller Card

VERSATILE FUNCTIONALITY: The SuperSpeed USB 3.0 PCI express card adds 4 external USB 3.0 ports with support for data rates up to 5 Gbps, while remaining backward compatible with USB 2.0 / 1.x devices.
ENHANCED WITH UASP SUPPORT: This 4-port USB 3.0 PCI express card uses UASP technology; UASP technology optimizes transfers by allowing multiple commands to be processed simultaneously.
STACKED PORT LAYOUT: The USB 3.0 controller card places the ports one on top of the other, enabling all four USB 3.0 ports to be external facing, while fitting into a low-profile computer system.
ADDED POWER CAPABILITIES: With a built-in SATA power connector, each USB port in this USB 3.0 expansion card can provide up to 900mA of power to devices (500mA for USB 2.0).