Highlights
  • Host Bus: PCIe x4 (x2 mode) Gen 2 ; Low Profile PCI Form Factor
    • Compliant with PCI Express Base Specification Revision 3.0
    • It can configure as PCIe x2 Gen2 or x1 Gen3
  • 2-port USB 3.1 Host Controller (Asmedia ASM1142, USB IF TID 5080000000)
    • Compliant with Universal Serial Bus 3.1 specification Revision 1.0
    • Compliant with Intel’s eXtensible Host Controller Interface (xHCI) specification Revision 1.1
  • USB Bus Power
    • From PCIe 12V (1.3MHz fixed frequency PWM synchronous step-down regulator)
    • From Power Connector (IDE 4-pin or SATA 15-pin)
  • Provides USB 3.0 Vision Standard cable port lock mechanism
Introduction

U3-PCIE2XG221 is a 2-port USB 3.1 to PCI Express x4 (x2 mode) Gen 2 Host Card.

The U3-PCIE2XG221 is an Universal Serial Bus 3.1 host controller, compliant with Intel eXtensible Hot Controller Interface specification revision 1.1, bridging PCI Express interface to two ports of USB3.1, up to 10Gbps high speed bandwidth, backward compatible with legacy USB function and devices. It can configure as PCIe x2 Gen2 or x1 Gen3, compliant with UASP (USB Attach SCSI Protocol) Revision 1.0, supporting the XHCI debug capability.

The design supplies normal core power and suspend core power, supporting the driver on Windows 7, Windows 8.0, Windows 8.1 and various Linux Kernels.

Technical Specifications
PCIe Host Bus
  • Support PCI Express Gen2x2 or Gen3x1
  • Up to 10Gbps bandwidth performance with low latency
  • Support PCI Express Link power management
  • Compliant with PCI Express Base 3.0 Specification
  • Compliant with PCI Express card Electromechanical 2.0 specification
  • Compliant with PCI Express Mini Card Electromechanical 1.2 specification
  • Compliant with Express Card Standard Revision 2.0
  • Compliant with PCI Bus Power Management Interface Specification Revision 1.2
  • Compliant with PCI Local Bus Specification Revision 3.0
  • Support overclocking capability on PCI Express interface
USB Features
  • Support two port of USB 3.1
  • Compliant with Universal Serial Bus 3.1 Specification Revision 1.0
  • Compliant with Universal Serial Bus Specification Revision 2.0
  • Compliant with eXtensible Host Controller Interface specification Revision 1.1
  • Compliant with USB Attached SCSI Protocol Revision 1.0
  • Support USB3.1 and USB2.0 Link Power Management
  • Support Control, Bulk, Stream, Interrupt, Isochronous transfer type
  • Support independent port power control
  • Support over current detection
  • Support Remote/Wakeup event
  • Backward compatible with Legacy USB function and device
  • Support the Debugport
Number of USB Ports
  • Two USB 3.1 Cable Ports (A-type Receptacle, USB IF TID 360000145)
USB3 cable lock mechanism
  • Provides the threaded holes for the jack-screws of USB 3.1 A Plug w/Jackscrew lock Cable

USB Bus Power Input

U3-PCIE2XG221-10: USB bus power is from PCIe 12V (Step-Down)

U3-PCIE2XG221-13: USB bus power may from the following source (A or B): 

  • A. From PCIe 12V (Step-Down)
  • B. From Power Connector (IDE 4-pin or SATA 15-pin)
Available Models

U3-PCIE2XG221-10
Without Power Connector

U3-PCIE2XG221-13
With Power Connectors
Computer Platform
  • Computer with PCI Express slot ( x4, x8, x16)

    • Note:
    It can configure as PCIe x2 Gen2 or x1 Gen3.
Operating System Requirements
  • Windows 8 later, Linux (kernel 3.x.x later), Mac OS  support in-box driver.
  • USB 3.1 Host Drivers Kit (x86 and x64) for
    • Windows Vista
    • Windows 7
    • Windows server 2003
    • Windows server 2008
Physical Dimensions
  • 64.4mm(H)x81mm(L)
  • NW: 50g
Kit includes
  • U3-PCIE2XG221
Optional Accessories
  • Low Profile PCI Bracket
    • BR-00194-08-1020