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PCIe to USB 3.1 Type-C Adapter Card 2-Port Expansion for Desktop PC, ASMedia ASM1142

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This product can convert the PCI-E high-speed data transmission interface of the computer into two USB3.1 high-speed data transmission interfaces. It is also backward compatible with USB3.0, USB2.0 and USB1.1 devices. The speed of USB3.1 is double that of USB3.0, and it is even much higher than that of USB2.0. It supports the hot plugging function of USB devices and is specifically designed to provide faster and higher rates for personal computers, consumer electronics and communication devices.

Overview

Specs

Reviews

PCI Express Basic Specification Revision 2.0 Dual Lane (X2) Compliant with Universal Serial Bus 3.1 Specification Gen2 Compliant with USB Connection SCSI Protocol Revision 1.0 Compatible xHCI (Extensible Host Controller Interface) Specification Revision 1.1 Supports simultaneous operation of multiple USB 3.1, 3.0, USB 2.0 and USB 1.1 devices Supports USB data transfer rates of 10G / 5G / 480 / 12 / 1.5 Mbps Expands to 2 standard USB 3.1 SuperSpeed A-type interfaces Each USB port provides + 5VDC / 900 mA output power for USB devices Built-in current protection for each USB port Supports remote wake-up function for USB keyboards or mice of devices Supports control, batch, stream, interrupt, and synchronous transfer types
Operating temperature: 0 - 60°C (32 - 140°F)
Storage temperature: -20 - 70°C (-4 - 158°F)
Operating humidity: 5 - 95%
RH Supported operating systems: win7/win8/ 8.1 /win10/Linux 2.6. 31 Product features
Chip used: Asmedia
ASM1142/3142 PCI-E: X4 (Supports X4 X8 X16 slots, cannot be used for X1 slots)
USB: 2-port USB 3.1 Downward compatible with USB 3.0, USB 2.0 and USB 1.1

Additional Information
First Listed on Newegg	July 17, 2026

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Return for refund within: 30 days
Return for replacement within: 90 days
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Item#: 9SIC7FXM1H5902