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Feature

With quick and easy installation, RC-508 offers good experience of data transferring via USB 3.0, no matter video, audio or photos
Multiple USB 3.0 ports, simultaneously enjoy the convenience of plug-and-play, speed up to 5 Gbps
Suitable for all motherboard with PCI-E bus; PCI-E is a common part of motherboard
No extra power needed because of built-in 4-pin power connector of RC-508
Automatically backwards compatible with USB 2.0 and 1.1; Operating System compatibility: Windows XP/Vista/7/8/10

Description

Product description
Size:4-Port USB 3.0
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 VL805-Q6
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