Quad-port USB 3.2 Gen2 adapter with ASM3142 chip, delivering 10Gbps speed over PCIe 3.0 x4.
LR-LINK presents the LRSU3A42-4A(3U), a robust PCIe 3.0 x4 quad-port USB 3.2 Gen2 adapter designed for high-speed data transmission. Powered by the advanced ASM3142 main control chip, this network adapter bridges the PCIe interface to four independent USB 3.2 Gen2 ports, enabling simultaneous connection of multiple high-bandwidth devices.
With a maximum transfer speed of 10Gbps, this solution significantly outperforms USB 2.0 and matches USB 3.2 Gen1 standards, making it perfect for external SSDs, RAID arrays, and high-speed peripherals. The card features full backward compatibility with USB 3.2 Gen1, USB 2.0, and various PCIe generations, ensuring versatile integration into existing server infrastructure.
Built for reliability in demanding environments, the LRSU3A42-4A(3U) includes an integrated heatsink and supports independent power supply for stable performance during hot-swapping operations. It complies with USB Link Protocol V1.0 and Universal Serial Bus USB 3.2 specifications, supporting Wake-on-LAN for keyboards and mice. This adapter is widely used in machine vision, cloud computing, and industrial automation where secure and fast data access is critical.
Delivers 10Gbps bandwidth via USB 3.2 Gen2 for rapid data transfers.
Four independent USB Type-A ports support multiple devices simultaneously.
Powered by ASM3142 controller for stable and efficient performance.
Supports hot-swappable external drives with independent power supply.
Compatible with USB 2.0/3.0 and PCIe 2.0/3.0 interfaces.
Complete technical details for integration and deployment planning.
| Bus Type | PCI-Express 3.0 x4 |
|---|---|
| External Port | USB 3.2 Gen2 Type-A |
| Number of Ports | 4 |
| Transfer Speed | 10Gb/s |
| Backward Compatibility | USB 3.2 Gen1, USB 2.0, PCIe 3.0/2.1/2.0 |
| I/O Controller | ASM3142 |
|---|---|
| Controller Type | USB 3.2 Gen2 Host Controller |
| PCB Size | 98*124*1.6 mm |
|---|---|
| Connector | USB Type-A (Device), PCI Express 3.0 x4 (Host) |
| Bracket | Full bracket (installed) |
| Operating Temperature | 0℃ - 60℃ |
|---|---|
| Storage Temperature | -20℃ - 70℃ |
| Humidity | 15% - 90% |
| Min Power | 3.828W |
| Max Power | 11.88W |
| Compliance | USB Link Protocol V1.0, USB 3.2 Spec |
|---|---|
| ESD Protection | Contact discharge ±8KV (Class A) |
Latest certified drivers for all supported operating systems, ensuring optimal performance and compatibility.
Look up product firmware versions, hardware revisions, and OS compatibility by entering your part number or hardware version.
