The MCX545A CCUN is a high performance, low power, 5 port USB 3.0 hub that offers a versatile solution for expanding USB connectivity in various applications. Here are the key attributes and model specification parameters of the MCX545A CCUN:

1. USB Compatibility: The hub supports USB 3.0, 2.0, and 1.1, ensuring compatibility with a wide range of devices.

2. Data Transfer Rates: With USB 3.0, the MCX545A CCUN can achieve data transfer rates of up to 5 Gbps, which is ten times faster than USB 2.0.

3. Power Supply: It comes with an external power supply to ensure stable power delivery to connected devices, especially those that require more power.

4. Port Configuration: The hub features 4 downstream USB Type A ports and 1 upstream USB Type B port, allowing for multiple devices to be connected simultaneously.

5. Form Factor: The compact design of the MCX545A CCUN makes it suitable for use in space constrained environments.

6. Operating System Support: It is compatible with various operating systems, including Windows, macOS, and Linux, providing broad utility across different platforms.

7. Power Management: The hub incorporates advanced power management features to conserve energy and extend the life of connected devices.

8. Certifications: The MCX545A CCUN is certified by relevant standards organizations, ensuring compliance with industry standards and safety regulations.

9. Cable Length: The hub comes with a USB Type B to Type A cable, which is typically around 3 feet (1 meter) in length, providing a convenient connection to the host device.

10. Additional Features: The MCX545A CCUN may include features such as plug and play capability, hot swapping support, and overcurrent protection to enhance user experience and device safety.

In summary, the MCX545A CCUN is a reliable and efficient USB hub that provides users with the flexibility to connect multiple devices and transfer data at high speeds. Its design and features make it an ideal choice for both personal and professional use.