Quad-port USB 3.0 PCIe host adapter card supporting 5Gbps transfer speeds and SATA power.
Linkreal presents the LRSU9A71-4A, a robust 4-port USB 3.0 PCIe host adapter card engineered to expand connectivity options for modern computing systems. Utilizing the reliable NEC uPD720201 I/O controller, this card ensures stable and efficient data transmission across all four ports, supporting Low-Speed, Full-Speed, Hi-Speed, and SuperSpeed modes.
Designed for flexibility, the adapter complies with Intel’s xHCI Specification Revision 1.0 and PCI Express Base Specification Revision 2.0. It supports all standard USB data transfer types including Control, Bulk, Interrupt, and Isochronous transfers, making it ideal for connecting external storage, digital cameras, printers, and other peripherals.
The LRSU9A71-4A is powered via a standard 15-pin SATA power plug, reducing reliance on motherboard USB headers. It comes equipped with both low-profile and full-height brackets to accommodate various chassis sizes, ensuring easy integration into small form-factor or standard desktop/server environments.
Supports USB 3.0 SuperSpeed data transfer rates up to 5Gb/s for rapid file transfers.
Provides four independent USB 3.0 ports to connect multiple peripherals simultaneously.
Powered by 15-pin SATA connector for stable operation without drawing from motherboard.
Fully compatible with USB 2.0 and USB 1.1 devices for versatile peripheral support.
Includes both low-profile and full-height brackets for flexible PC case installation.
Complete technical details for integration and deployment planning.
| Model | LRSU9A71-4A |
|---|---|
| Bus Type | PCI Express 2.0 x1 |
| I/O Controller | NEC uPD720201 |
| Interface | 4*USB 3.0 |
| Transfer Speed | 5Gb/s |
| Power Supply | 15Pin SATA Power Plug |
|---|---|
| Dimension | 105*68.9mm |
| Weight | 79g |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
|---|---|
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Humidity | 15% ~ 90% |
| xHCI Compliance | Intel xHCI Specification Revision 1.0 |
|---|---|
| PCIe Compliance | PCI Express Base Specification Revision 2.0 |
| USB Compliance | Universal Serial Bus 3.0 Specification Revision 1.0 |
Latest certified drivers for all supported operating systems, ensuring optimal performance and compatibility.
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