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AC-SiUSB2302+L

Sunix USB2302 USB 3.0 Dual ports PCI Express Host Controller

Sunix - Sunix USB2302 - Standard + Low-profile DUAL bracket, PCI-Express (1x) - 2 x external USB 3.0 (5.0Gbps), USB 2.0 backward compatible, NEC UPD720200 - no 4pin molex power required, supports power management and remote wakeup from USB device, with USBIF certification - includes extra low-profile only for 2U rackmount or slim desktop (antec minuet, nsk1480)
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Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. AC-SiUSB2302+L Sunix USB2302 USB 3.0 Dual ports PCI Express Host Controller is available from Laptop Direct and it is sold as new from our Multi-I/O PCI-Express interface range of products. For reference purposes, the price of R305 is valid 2026-09-06, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Multi-I/O PCI-Express interface category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


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AC-SiUSB2302+L

Sunix USB2302 USB 3.0 Dual ports PCI Express Host Controller

Sunix USB2302 - Standard + Low-profile DUAL bracket, PCI-Express (1x) - 2 x external USB 3.0 (5.0Gbps), USB 2.0 backward compatible, NEC UPD720200 - no 4pin molex power required, supports power management and remote wakeup from USB device, with USBIF certification - includes extra low-profile only for 2U rackmount or slim desktop (antec minuet, nsk1480)

About this product

The Sunix USB2302 PCI Express USB 3.0 expansion card adds 2 x external USB 3.0 ports to a desktop PC through a PCIe x1 slot, delivering transfer speeds of up to 5.0Gbps while maintaining backward compatibility with USB 2.0 devices. Featuring the NEC UPD720200 controller, USBIF certification, power management support, and remote wakeup functionality, this card is an ideal upgrade for systems that need additional high-speed USB connectivity. Buy now from our website for quick delivery in South Africa.

Overview Summary

Sunix USB2302 PCIe USB 3.0 Expansion Card

The Sunix USB2302 is a PCI Express x1 expansion card designed to provide two external USB 3.0 ports for desktop computers. Powered by the NEC UPD720200 USB 3.0 controller, it supports data transfer rates of up to 5.0Gbps, making it suitable for external storage devices, peripherals, and other high-bandwidth USB equipment.

This expansion card does not require a 4-pin Molex power connector, simplifying installation while maintaining reliable performance. It supports USB 2.0 backward compatibility, advanced power management features, and remote wakeup from connected USB devices. The package includes both a standard bracket and a low-profile bracket, making it suitable for full-size desktop systems, slim desktops, and selected rackmount installations.

What tier does this fall into?

Mainstream USB 3.0 Expansion

What is this best for?

USB port expansion, external storage connectivity, peripheral connectivity, workstation upgrades, slim desktop upgrades, rackmount systems

Overview

Super-Speed USB 3.0 interface is the next revolution in I/O interconnect standards that will deliver the bandwidth and features required by PCs, consumer electronics and communications devices. With 10 times faster throughput than USB 2.0 standard and backward compatible with current USB device features, USB 3.0 interface will be the trendy of IT technology.

SUNIX USB2302 is a dual-port Super-Speed USB 3.0 PCI Express card, and compliant with the PCI Express Generation 2 specification for host PC system. It works up to 5 Gbps for data transfer when connecting to USB 3.0 compliant peripherals, while maintaining compatibility with existing USB peripheral devices. With USB Hot-Swapping and Plug-n-Play function, you don't have to worry about running out of slots on your motherboard or complicated hardware installation process.

SUNIX USB2302 card supports USB 3.0 High-Speed device and backward compatible with USB 2.0 High-Speed and USB 1.1 Full-Speed device. With SUNIX unique technology, it can output efficient power to USB device without additional power adapter connection. SUNIX USB2302 is an ideal choice for external storage devices, MP3 players, external writer, digital cameras, webcam, networking and video devices, and all other USB devices.

Description

The Sunix USB2302 is a practical solution for desktop computers that require additional high-speed USB connectivity. Designed for installation into a PCI Express x1 slot, the card adds two external USB 3.0 ports, enabling support for modern peripherals and storage devices without replacing the existing motherboard.

Built around the NEC UPD720200 USB 3.0 controller, the card delivers reliable USB 3.0 performance with transfer rates of up to 5.0Gbps. This makes it suitable for connecting external hard drives, flash drives, docking stations, printers, scanners, and other USB peripherals that benefit from increased bandwidth.

The USB2302 supports backward compatibility with USB 2.0 devices, allowing older equipment to operate alongside newer USB 3.0 hardware. The design eliminates the need for an additional 4-pin Molex power connection, helping simplify installation and cable management inside the chassis.

Advanced power management support and remote wakeup functionality improve usability in professional and business environments. Included standard and low-profile brackets provide flexibility for deployment in traditional desktop systems, compact PCs, slim desktops, and compatible rackmount systems.

Features

The Sunix USB2302 delivers a simple and effective method of expanding USB connectivity while maintaining compatibility with a wide range of systems and devices.

  • PCI Express x1 interface for broad system compatibility.
  • 2 x external USB 3.0 ports.
  • Supports USB 3.0 transfer rates up to 5.0Gbps.
  • Backward compatible with USB 2.0 devices.
  • Powered by the NEC UPD720200 USB 3.0 controller.
  • No 4-pin Molex power connector required.
  • Supports USB power management features.
  • Remote wakeup support from connected USB devices.
  • USBIF certified design.
  • Includes standard bracket and low-profile bracket.
  • Suitable for desktop, slim desktop and selected rackmount systems.

What's in the Box

  • 1 x Sunix USB2302 PCI Express USB 3.0 expansion card
  • 1 x Standard bracket
  • 1 x Low-profile bracket
  • Documentation

Specifications

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications and features
Product Code AC-SiUSB2302+Lspacer
Interface Single-Lane (x1) PCI Express Gen2
Mode Universal Serial Bus 3.0
Controller Renesas (NEC) µPD720202
PCB Version Ver1.0
USBIF TID TID350000174
Port 2 external USB 3.0 ports
Speed Data Transfer rate of 1.5/12/480/5000 Mbps.
Low Speed (1.5Mbps), Full Speed(12Mbps), High Speed(480Mbps), SuperSpeed(5Gbps)
Power Input PCIe Bus Power
Power Output +5V / 900mA (each port)
PCB Dimension 78 (W) x 68 (L) mm
Bracket Standard 121mm
Certified CE, FCC, VCCI, BSMI
O.S. Support Windows 8.x / 10 (X86/X64) / 11
Linux 2.6.31 or later (Linux OS already implemented USB 3.0 driver)
Environment Operation temp. 0 degreesC ~ 57 degreesC
Operation humidity: 5 ~ 95% RH
Storage temp.-40 degreesC ~ 85 degreesC


FAQ

What does the Sunix USB2302 do?

The Sunix USB2302 adds two external USB 3.0 ports to a desktop computer through an available PCI Express x1 expansion slot.

What is the maximum USB speed supported?

The card supports USB 3.0 transfer speeds of up to 5.0Gbps when used with compatible devices.

Is the Sunix USB2302 compatible with USB 2.0 devices?

Yes, the card is backward compatible with USB 2.0 peripherals and accessories.

Does the card require a Molex power connection?

No, the Sunix USB2302 does not require a 4-pin Molex power connector for operation.

Can the card be installed in a slim desktop chassis?

Yes, a low-profile bracket is included for compatible slim desktop and rackmount installations.

What controller does the card use?

The expansion card uses the NEC UPD720200 USB 3.0 controller.

Does the card support power management features?

Yes, it supports power management and remote wakeup functionality from connected USB devices.

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