PCIe to USB 3.0 controller with 4 ports

Description

A PCIe to USB 3.0 controller with 4 ports adds four high-speed USB 3.0 connections to your desktop via a PCI Express slot, supporting up to 5Gbps data transfer and backward compatibility with USB 2.0 and 1.1.

---

🔧 Technical Overview: PCIe to USB 3.0 Controller (4 Ports)

This expansion card is ideal for upgrading older desktops or adding more USB 3.0 ports to systems with limited connectivity. It typically uses a PCIe x1 or x4 interface and supports USB 3.0 

✅ Key Features

• Interface: PCI Express 2.0 x1 or x4
• Ports: 4 external USB 3.0 Type-A ports
• Speed: Up to 5Gbps per port
• Chipsets: Common options include Renesas/NEC D720201, VIA VL805, or TI TUSB7340
• Power Supply:
  • Some models include a SATA power connector to support bus-powered devices
  • Each port may deliver up to 900mA
• Compatibility:
  • Backward compatible with USB 2.0 and USB 1.1
  • Supports Windows 7/8/10/11, Linux, and macOS (depending on chipset)
• Form Factor:
  • Includes standard and low-profile brackets for flexible case compatibility
  • Fits in most ATX, microATX, and mini tower cases

---

🖥️ Use Cases

• Upgrade older PCs to support USB 3.0 devices
• Connect high-speed peripherals like external SSDs, webcams, and capture cards
• Expand USB capacity for workstations, gaming rigs, or embedded systems
• Improve data transfer performance for backup drives and media workflows

---

🛠️ Installation Tips

1. Power off your PC and insert the card into an available PCIe slot
2. Connect SATA/Molex power if required
3. Boot the system and install drivers (Windows often auto-detects Renesas/VIA chipsets)
4. Verify functionality in Device Manager or system settings