U31X2-PCIE4XG321
Dual Channel 4-port (2-port x 2) USB 3.1 Gen 2 (10Gbps) to PCI Express x4 Host Card

Highlights
- Host Bus: PCIe x4 Gen 3 (32Gbps)
- Compliant with PCI Express Base Specification Revision 3.0
- Dual independent USB 3.1 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
- Four USB 3 Cable Ports (Type-C Receptacle, USB IF TID 5200000315)
- Provides USB 3.x cable port lock mechanism
Introduction
The U31X2-PCIE4XG321 is a Dual Channel 4-port (Type-C) USB 3.1 Gen 2 (10Gbps) to PCI Express x4 Gen 3 Host Adapter.
U31X2-PCIE4XG321 is designed with Two key components.
- 12-Lane, 5-Port PCI Express Gen 3 Switch.
- PCI Express to USB 3.1 Single Chip Host Controller (Asmedia ASM3142, USB IF TID 5080000010)
Utilizing the standard PCI Express Switch, the 12-Lane/5-Port PCI Express Switch provides the most efficient fan-out solution for integrating four PCI Express to USB 3.1 Gen 2 Single Chip Host controllers into a small board design. Each USB 3.1 to PCI Express Single Chip Host controller takes advantages of 10 Gbps burst rate of 4-lane PCI Express bus in both directions and is fully compliant with PCI Express Base specification r3.0. This solution provides full PCI Express and USB 3.1 functionality and performance.
Technical Specifications
Primary PCI Express |
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Secondary PCI Express |
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USB Features |
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Number of USB Ports | Four independent USB 3 Cable Ports (Type-C Receptacle) |
USB Bus Power Input |
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