Product details

SUNIX USB4300 4-Port USB 3.0 PCI Express Expansion Card – 5Gbps

Expand your desktop computer’s connectivity with the SUNIX USB4300 4-Port USB 3.0 PCI Express Expansion Card, designed to provide additional high-speed USB connectivity for modern peripherals, external storage devices and accessories. Featuring four external USB 3.0 SuperSpeed ports, this expansion card offers a convenient solution for systems with limited onboard USB connectivity.

Powered by the VIA VL800 USB 3.0 host controller, the SUNIX USB4300 supports data transfer speeds of up to 5Gbps, allowing compatible external hard drives, flash drives and other USB devices to benefit from faster connectivity. Its PCI Express x1 interface makes installation straightforward in compatible desktop motherboards.

Supporting USB 3.0, USB 2.0 and USB 1.1 devices, the USB4300 provides excellent backward compatibility, allowing older peripherals to operate alongside newer high-speed accessories. Each USB port delivers up to 5V/900mA of power for compatible connected devices.

The card also supports USB hot-swapping and plug-and-play functionality, allowing users to connect and disconnect compatible peripherals conveniently. Its additional 4-pin Molex power connection provides supplementary power to support stable operation when multiple USB devices are connected.

Whether you are expanding workstation connectivity, connecting external storage devices or adding more USB ports to an existing desktop PC, the SUNIX USB4300 delivers practical performance and dependable connectivity.

FEATURES:

• Four External USB 3.0 Ports – Adds four additional USB Type-A connections to your desktop computer.


• SuperSpeed USB 3.0 – Supports data transfer speeds of up to 5Gbps.


• VIA VL800 Chipset – Powered by a dedicated USB 3.0 host controller.


• PCI Express x1 Interface – Installs into a compatible PCI Express expansion slot.


• Backward Compatibility – Supports USB 2.0 and USB 1.1 devices.


• 5V/900mA Power Output – Provides power to compatible USB peripherals through each port.


• USB Hot-Swapping – Allows compatible devices to be connected and disconnected without restarting the computer.


• Plug-and-Play Support – Convenient installation and peripheral connectivity.


• Additional Molex Power Connector – Provides supplementary power directly from the computer’s power supply.


• Wide Peripheral Compatibility – Suitable for external hard drives, flash drives, printers, cameras and other USB accessories.


• Ideal for Desktop Expansion – Perfect for upgrading systems with limited onboard USB connectivity.

SPECIFICATIONS:

SUNIX USB4300 PCI Express USB 3.0 Expansion Card

General Specifications:

• Brand: SUNIX


• Product Model: USB4300 / USB4300NS


• Product Code: AC-SIUSB4300


• Product Type: USB Expansion Card


• Controller Chipset: VIA VL800


• Interface: PCI Express


• PCIe Configuration: Single-Lane PCIe x1


• PCI Express Standard: PCIe Generation 2


• USB Standard: USB 3.0 SuperSpeed

USB Specifications:

• External USB Ports: 4 x USB 3.0 Type-A


• Maximum Data Transfer Speed: 5Gbps


• USB 2.0 Compatibility: Yes


• USB 1.1 Compatibility: Yes


• USB Data Rates: 1.5 / 12 / 480 / 5000Mbps


• Maximum Port Power Output: 5V / 900mA per port


• Hot-Swapping: Supported


• Plug-and-Play: Supported

Power Specifications:

• Power Connector: 1 x 4-Pin Molex


• Power Source: Computer Power Supply


• Output Voltage: 5V DC


• Maximum Port Output: 900mA per port

Physical Specifications:

• Card Type: PCI Express Expansion Card


• PCB Dimensions: 65.3 x 99mm


• Standard Bracket Height: 121mm


• Low-Profile Bracket: 79.2mm (where included)


• External Ports: 4


• Installation: Internal Desktop Expansion Slot

Compatibility:

• Desktop Computers: Yes


• PCI Express x1 Slots: Compatible


• USB 3.0 Devices: Yes


• USB 2.0 Devices: Yes


• USB 1.1 Devices: Yes


• Supported Operating Systems: Windows XP, Vista, 7, 8, 8.1 and 10 (32-bit / 64-bit, driver dependent)


• Driver Support: Manufacturer driver support required for supported configurations

Certifications:

• USB-IF Certification: Yes


• CE: Yes


• FCC: Yes


• RoHS: Yes


• Microsoft WHQL: Yes

WHAT’S IN THE BOX:

• SUNIX USB4300 4-Port USB 3.0 PCI Express Expansion Card x1


• Installation Documentation x1 (subject to packaging)


• Driver Media (if included by supplier)

Warranty: Subject to supplier confirmation.

Colour: Green PCB / Silver Bracket