Products / Host Cards / PCIe x1 / USB 2.0
Build to Order


Quad Channel 4-port (1-port x 4) USB 2.0 to PCI Express x1 Host Card (w/USB 2.0 EHCI Host Controller)

U2X4-PCIE1X01|Quad Channel 4-port (1-port x 4) USB 2.0 to PCI Express x1 Host Card (w/USB 2.0 EHCI Host Controller)
  • Host Bus: PCI Express base 1.1 specifications
  • Quad USB 2.0 Controllers
  • Compliant with Universal Serial Bus Specification Revision 2.0 (data rate: 1.5/12/480 Mbps)
  • Good performance (480Mbps x 4) for either Read-intensive or Write-intensive applications

U2X4-PCIE1X01 is a Quad Channel USB 2.0 to PCI Express single lane Host Adapter.

The PCI Express interface of U2X4-PCIE1X01 is fully compliant with PCI Express base 1.1 specifications. The four independent USB host ports are integrated with on‐chip transceivers and support both Enhanced Host Controller Interface (EHCI) and Open Host Controller Interface (OHCI).

U2X4-PCIE1X01 is a cost-effective solution for USB 2.0 connectivity and performance. Since each port operates independently, all four ports can provide the USB 2.0 high speed rate (480Mbps) at the same time.

Technical Specifications

PCIe Host Bus

  • Single‐lane (x1) PCI Express endpoint controller with integrated PHY
  • Compliant with PCI Express base specification revision 1.1
  • Supports multiple DMA transactions
  • Supports eight PCI Express functions
  • Supports Message TLP (error) generation
  • Supports both legacy and MSI Interrupt mechanism

USB Features

  • Total of Four USB2.0 ports with on-chip transceivers
  • Per port Enhanced Host Controller Interface (EHCI) controller
  • Per port Open Host Controller Interface (OHCI) controller
  • Compatible with Bulk, Interrupt and Isochronous type USB devices
  • Hot-swapping feature allows you to connect/disconnect devices without powering down the system
  • Supports simultaneous operation of multiple USB 2.0 and USB 1.1 devices
  • Simultaneous operation of multiple high-performance devices
  • Full plug & play and hot swapping supported
  • Supports up to 127 devices per port
USB Data Transfer Rate:
  • Low-speed at 1.5Mbps
  • Full-Speed at 12Mbps
  • High-Speed at 480 Mbps
Number of Ports:
  • Four USB Host ports
Bus Power Connector: Either Big IDE 4-pin DC Power Connector or SATA 15pin Power Connector
Computer Platform
  • Computer with PCI Express slot (x1, x4, x8, x16)
Operating System Requirements

Native drivers supported in various operating systems

  • Windows 32bit - 2000 SP4/ XP/ Vista/ Win7/ 2003 Server/ 2008 Server
  • Windows 64bit - XP/ Vista/ Win7/ 2003 Server/ 2008 Server
  • Win CE – 5.0 & 6.0
  • Mac OS -10.4.x, 10.5.x and above
  • Linux kernel Kernel 2.6.11 & above