• Host Bus: PCIe x1 Gen 2 (5 Gb/s)
    • Compliant with PCI Express Base Specification Revision 2.1
  • 2-Port USB 3.0 Host Controller
    • Compliant with Universal Serial Bus 3.0 specification Revision 1.0
    • Compliant with Intel’s eXtensible Host Controller Interface (xHCI) specification Revision 1.0
  • GoXtream™ Architecture
    • Switching fabric to sustain full bandwidth simultaneously for each USB3.0 port
    • No firmware necessary
  • WHQL certified driver supports Window 7, Vista and XP, as well as Linux
  • Supports USB Battery Charging Specification Revision 1.2 for Charging Downstream Ports (CDP).
  • Low Profile PCI Form Factor (BR-00166-01)
  • Two USB 3.0 Cable Ports (A-type Receptacle)
    • Provides USB 3.0 cable port lock mechanism

The U3-PCIE1XG210 is PCI Express to USB 3.0 host adapter. It fully integrates an Extensible host Controller Interface (xHCI) engine, a dual-port 5Gbps USB 3.0 transceiver, a PCI Express endpoint controller and a 5Gbps PCI Express transceiver. U3-PCIE1XG210 implements the Universal Serial Bus 3.0 Specification Revision 1.0 and the Extensible Host Controller Interface (xHCI) Specification Revision 1.0, and complies with the PCI Express Rev 2.1 Specification at 5Gbps data rate, and the PCI Local Bus Specification Revision 2.2. U3-PCIE1XG210 is backward compatible for operation with USB 2.0 and USB 1.1 devices.

The U3-PCIE1XG210 features GoXtream™ xHCI Accelerator Engine, which maps the xHCI standard directly into a set of parallel functional units, providing acceleration of all xHCI operations while maintaining compatibility with existing software driver models.

Technical Specifications

PCIe Host Bus

  • Single (x1) PCI Express Lane
  • Supports PCI Express Specification Revision 2.1 at 5GT/s
  • Supports PCI Bus Power Management Interface Specification revision 1.2
USB Features
  • Compliant with USB 3.0 Specification Revision 1.0
  • Compliant with Extensible Host Controller Interface (xHCI) Specification revision 1.0
  • 2 downstream USB ports support SS/HS/FS/LS data rates (5Gbps/480Mbps/12Mbps/1.5Mbps)
Advanced Power Saving
  • Support all USB 3.0 Power States: U0, U1, U2 and U3
  • Support USB 2.0 Link Power management (LPM)
    • USB-IF LPM PDK Standard
  • PCIe Active State Power Management (ASPM) L0s and L1
USB3 cable lock mechanism
  • Provides the threaded holes for the jack-screws of USB 3.0 A Plug w/Jackscrew lock Cable

Battery Charging Protocols
  • Supports USB Battery Charging Specification Revision 1.2 for Charging Downstream Ports (CDP).
  • Supports USB Battery Charging via Chinese Telecom Standard YD/T 1591-2009.

USB Bus Power Input

U3-PCIE1XG210-03: Either Big IDE 4-pin Connector or SATA 15pin Connector
U3-PCIE1XG210-10: From PCIe 12V
Available Models

Needs USB Bus-Power Input

With PCIe 12V to 5V PWM regulator

Computer Platform
  • Computer with PCI Express slot (x1, x4, x8, x16)
    • U3-PCIE1XG210-10 needs PCI Express 25W slot (x1, x4, x8, x16)
    • For the best performance (5.0 Gbps), U3-PCIE1XG210 should be installed in a PCIe Gen 2 compliant slot in the host computer.  Most computers have PCIe Gen 2 (5.0 Gbps) throughput on x8 or x16 slots.
      A PCIe Gen 1 compliant slot reaches up to 2.5 Gbps throughput.
Physical Dimensions
  • 88mm(W) x 84mm[120mm](H)
  • NW: 45.5g
Operating System Requirements
  • Windows XP, Windows Vista, Windows 7
  • USB 3.0 Host Drivers
    x86 (32-bit) and x64 (64-bit)
    • Windows XP
    • Windows Vista
    • Windows 7
  • CE Test: Pass
  • FCC Test : Pass
  • VCCI Test: Pass


Kit includes
  • U3-PCIE1XG210
  • Driver CD
Optional Accessories
  • Low Profile PCI Bracket (BR-00166-01)
Related Products
Eye Pattern & Jitter Tolerance Test Result

Port 1 Test Result


Non-Transition Eye Diagram
Transition Eye Diagram



Port 2 Test Result


Non-Transition Eye Diagram
Transition Eye Diagram