CU30N SuperSpeed USB 3.0 HBA
  • Get Connected
  • Full Speed Ahead
  • Full Compliance
  • Easy to Install
  • Multiple OS Compatibility


  • Get Connected
    Enter a new generation of high-speed connectivity with the CU30N's two USB 3.0 ports. Plug in and experience transfer speeds up to ten times that of USB 2.0.
  • Full Speed Ahead
    Supporting four modes of transfer including Low-speed (1.5Mbps), full-speed (12Mbps), high-speed (480 Mbps), and super-speed (5Gpbs), the CU30N is compatible with a wide range of USB devices.
  • Full Compliance
    Utilizing the NEC μPD720200 Processor, the CU30N is fully compliant with both USB 3.0 and xHCI (Extensible Host Controller Interface) specifications, ensuring complete interoperability with USB 3.0-compliant devices.
  • Easy to Install
    Simply plug the CU30N into any PCI Express x1, x4, x8 and x16 slot to get your system up and running with USB 3.0 - no external power source required!
  • Multiple OS Compatibility
    The CU30N is fully compatible with systems running Windows 7/Vista/XP operating systems in both 32bit and 64bit versions.


With transfer speeds of up to 5 Gbps,USB 3.0 marks a new standard in high-speed connectivity. Today, storage innovator Thecus® Technology is pleased to announce a new product in its ever-expanding lineup of products for the digital lifestyle – the CU30N. Sporting two USB 3.0 ports and full backward compatibility with USB 2.0 and 1.1 standards, the CU30N is the easy way to bring your computer system into the age of USB 3.0.

The CU30N is a full height PCIe add on card that is compatible with PCI Express x1, x4, x8 and x16 slots. Installation is extremely easy and no external power source is required to get it up and running. Once installed, the CU30N gives your system two USB 3.0 ports that are ready to connect with all sorts of USB 3.0 devices.

On the hardware front, the CU30N utilizes the NEC μPD720200 Processor - the world's first USB host controller compliant with USB 3.0 and xHCI specifications. With the NEC μPD720200, the CU30N supports four modes of transfer, including Low-speed (1.5Mbps), full-speed (12Mbps), high-speed (480 Mbps), and super-speed (5Gpbs).

The CU30N can also be used to upgrade certain Thecus® NAS units for USB 3.0 connectivity. Currently, the CU30N can be installed in the following models:

-N7700 Series
-N8800 Series

The CU30N is fully compatible with PCs using Windows 7/Vista/XP 32/64bit operating systems.

“USB 3.0 is certainly the upcoming future connectivity standard, and with the CU30N, users can leverage this new standard today,” said Florence Shih, Thecus® Technology General Manager. “Combining the CU30N with our D0204 is a great way to experience the future of storage.”


1. Hardware Platform




  • 2 x USB 3.0 ports.
  • Backward compatible with USB 2.0/1.1 interface.
  • Interface

  • PCI Express x1 interface
  • Compatible with PCI Express x1, x4, x8, and x16 slots
  • Power Supply

    No external power source required



    2. Software Functions 



    PCIe Gen2 bandwidth


    Data rate

    Low-speed (1.5 Mbps) / Full-speed (12 Mbps) / High-speed (480 Mbps) / Super-speed (5 Gbps)

    Compatible with Thecus NAS PCI-e Slot

    N4200 / N7700 Series / N8800 Series

    Operating Systems Supported

    Windows 7/Vista/XP 32/64bit

    Package Contents

    Universal CD QIG Warranty Card