U31X4-PCIE8XG322 | Quad Channel 8-port (2-port x 4) USB 3.1 Gen 2 to PCI Express x8 Gen 3 Host Card | Asmedia ASM3142

U31X4-PCIE8XG322

Quad Channel 8-port USB 3.1 Gen 2 (10Gbps) to PCI Express x8 Gen 3 Host Card

Quad Channel 8-port (2-port x 4) USB 3.1 Gen 2 to PCI Express x8 Gen 3 Host Card

Highlights

  • Host Bus: PCIe x8 Gen 3 (64.0 Gb/s)
    • Compliant with PCI Express Base Specification Revision 3.0
  • Four independent USB 3.1 Gen 2 (10Gbps) Host Controllers  (Asmedia ASM3142, USB IF TID 5080000010)
    • Compliant with Universal Serial Bus 3.1 Specification Revision 1.0
    • Compliant with Intel’s eXtensible Host Controller Interface (xHCI) specification Revision 1.1
    • Each USB 3.1 Gen 2 (10Gbps) Host Controller supports two Cable Ports (Standard-A Receptacle)
  • The Vbus of each USB Port has a 2.0A Single Channel Current-Limited Power Switch for protection
    • 2.0A (70mΩ on-resistance) Single Channel Current-limited Power Switch
    • UL File Number E322375

Introduction

The U31X4-PCIE8XG322 is Quad Channel 8-port (2-port x 4) USB 3.1 Gen 2 (10Gbps) PCI Express x8 Gen 3 Card.

U31X4-PCIE8XG322 is designed with Two key components.

  • 16-Lane, 5-Port PCI Express Gen 3 Switch.
  • PCI Express to USB 3.1 Gen 2 (10Gbps) Single Chip Host Controller  (Asmedia ASM3142, USB IF TID 5080000010)

Technical Specifications

Primary PCI Express
  • Standards Compliant
    • PCI Express Base Specification, r3.0 (compatible w/ PCIe r1.0a/1.1 & 2.0)
    • PCI Power Management Spec r1.2
    • Microsoft Windows Logo Compliant
    • Supports Access Control Services
    • Dynamic link-width control
    • Dynamic SerDes Speed Control
  • High Performance
    • performancePAK
      • Multicast
      • Dynamic Buffer/FC Credit Pool
    • Non-blocking switch fabric
    • Full line rate on all ports
    • Cut-Thru packet latency of less than 100ns between symmetric (x4 to x4) ingress and egress Ports
    • 2KB Max Payload Size
  • Quality of Service (QoS)
    • Traffic Class Queuing
    • Eight Traffic Classes per port
    • Weighted round-robin source port arbitration
Secondary PCI Express
  • 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
  • One Channel support two ports of USB 3.1
  • Up to USB 3.1 Gen 2 10Gbps
  • Compliant with Universal Serial Bus 3.1 Specification Revision 1.0
  • Compliant with Universal Serial Bus Specification Revision 2.0
  • Compliant with USB Attached SCSI Protocol Revision 1.0
  • Support Multiple INs function
  • Support USB 3.1 and USB 2.0 Link Power Management
  • Support Control, Bulk, Stream, Interrupt, Isochronous transfer type
  • Support independent port power control
  • Support overcurrent detection
  • Integrate Spread Spectrum Controller for USB 3.1 interface
  • Backward compatible with Legacy USB function and device
  • Support the Debugport

USB Data Transfer Rate
  • USB 3.1 Gen 2 (10G), USB 3.1 Gen 1 (5G), USB 2.0 (480MB)
Number of Ports

Eight independent USB 3 Cable Ports

  • Right A-type Receptacle, USB IF TID 360000055
  • The Vbus of each USB Port has a 2.0A Single Channel Current-Limited Power Switch for protection (IC-S0371-03H)
    • 2.0A (70mΩ on-resistance) Single Channel Current-limited Power Switch
    • UL File Number E322375
USB Bus Power Input

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)