Products/ Host Cards / PCIe x1 / USB 3.1 Gen 2

U3-PCIE1XG321

2-port USB 3.1 to PCI Express x1 Gen 3 Host Card

Highlights
  • Host Bus: PCIe x1 Gen 3 ; Low Profile PCI Form Factor
    • Compliant with PCI Express Base Specification Revision 3.0
  • 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 Source is from PCIe 12V (12V Step-Down to 5V)
    • High Frequency, Synchronous, Rectified, Step-Down, Switch-Mode Converter
    • Operates at High Efficiency Over a Wide Output-Current-Load Range
    • Non-Latch OCP, OVP, and Thermal Shutdown
    • Minimum 4A Output Current
    • Up to 95% Efficiency
  • Provides USB 3.0 Vision Standard cable port lock mechanism
Introduction

U3-PCIE1XG321 is a 2-port USB 3.1 to PCI Express x1 Gen 3 Host Card.

The U3-PCIE1XG321 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 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 x1 Gen 3
  • 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-PCIE1XG321-10: USB bus power is from PCIe 12V (Step-Down)

Note: Synchronous step-down regulator

  • High Frequency, Synchronous, Rectified, Step-Down, Switch-Mode Converter
  • Operates at High Efficiency Over a Wide Output-Current-Load Range
  • Non-Latch OCP, OVP, and Thermal Shutdown
  • Minimum 4A Output Current
  • Up to 95% Efficiency

U3-PCIE1XG321-1S: USB bus power may step-down from the following source (A or B): 

  • A. From PCIe 12V
  • B. From SATA 15-pin Power Connector 12V
Available Models

U3-PCIE1XG321-10
Without Power Connector

U3-PCIE1XG321-1S
With SATA Power Connector

Computer Platform

Note:
It can configure as PCIe x1 Gen3.

  • Computer with PCI Express slot ( x1, x4, x8, x16)
Operating System Requirements
  • Inbox driver for Windows 8 later, Linux (kernel 3.x.x later)
  • Supporting the proprietary driver for
    • Windows 7
    • Windows server 2003
    • Windows server 2008
    • Windows server 2012
Physical Dimensions
  • 64.4mm(H)x67mm(L)
  • NW: 41.2g
Kit includes
  • U3-PCIE1XG321
Optional Accessories
  • Low Profile PCI Bracket
    • BR-00194-08-1020
Drivers
Version: 1.16.472 Date: 2018/2/6
Content: USB 3.1 Host Controller Driver For Windows 7, Windows 8, Windows 8.1, Windows 10, Windows server 2003, Windows server 2008, Windows server 2012 R2 x64 Download