Introduction
The Vantec NexStar CB-ST00U3 USB 3.0 to SATA 6Gbps Optical/Storage Adapter provides a straightforward solution for connecting various SATA drives to your computer via a USB port. This adapter is compatible with 5.25-inch optical drives such as Blu-Ray, DVDRW, DVD ROM, CDRW, and CD ROM drives. Additionally, it supports 2.5-inch and 3.5-inch SATA SSDs and HDDs, offering high-speed data transfer with UASP support. Designed for quick plug-and-play functionality, it allows hot-swapping between drives without requiring a system reboot or driver installation on common operating systems like Windows, macOS, and Linux. Its compact and lightweight design ensures easy storage and portability.
Package Contents
- NexStar USB 3.0 to SATA Adapter
- USB 3.0 Cable
- AC Power Adapter (12VDC, 2A)
- Anti-slip Mat
- Quick Installation Guide (QIG)
Setup Instructions
Connecting a 5.25-inch Optical Drive
- Ensure the Vantec NexStar adapter's power switch is in the OFF position.
- Connect the SATA data and power connectors of the adapter directly to the corresponding ports on your 5.25-inch optical drive (e.g., Blu-Ray, DVD-RW).
- Plug the provided AC power adapter into the DC 12V port on the Vantec adapter, then connect it to a power outlet.
- Connect the USB 3.0 cable from the Vantec adapter to an available USB 3.0 port on your computer.
- Switch the power button on the Vantec adapter to the ON position. Your operating system should detect the drive automatically.

Image: Setup diagram for connecting a 5.25-inch optical drive.
Connecting a 2.5-inch or 3.5-inch SATA HDD/SSD
- Ensure the Vantec NexStar adapter's power switch is in the OFF position.
- Connect the SATA data and power connectors of the adapter directly to the corresponding ports on your 2.5-inch or 3.5-inch SATA HDD/SSD.
- Plug the provided AC power adapter into the DC 12V port on the Vantec adapter, then connect it to a power outlet.
- Connect the USB 3.0 cable from the Vantec adapter to an available USB 3.0 port on your computer.
- Switch the power button on the Vantec adapter to the ON position. Your operating system should detect the drive automatically.

Image: Setup diagram for connecting a 2.5-inch or 3.5-inch hard drive.
Operating Instructions
Plug and Play Functionality
The Vantec NexStar adapter is designed for plug-and-play operation. Once connected, your operating system (Windows, macOS, Linux) should automatically recognize the attached drive without the need for additional driver installations. This allows for quick and convenient access to your optical or storage drives.

Image: The adapter demonstrating plug and play functionality with a hard drive.
Hot-Swapping
This adapter supports hot-swapping, meaning you can connect or disconnect drives while your computer is running, without needing to restart the system. Always ensure data transfer is complete before disconnecting a drive to prevent data corruption.
UASP Support
The adapter supports UASP (USB Attached SCSI Protocol), which enhances data transfer speeds over USB 3.0, especially with SSDs. To benefit from UASP, ensure your computer's operating system and USB 3.0 host controller also support UASP.
Maintenance
General Care
- Keep the adapter and connected drives in a clean, dry environment.
- Avoid exposing the device to extreme temperatures or direct sunlight.
- Use a soft, dry cloth for cleaning the adapter's exterior. Do not use liquid cleaners.
Using the Anti-slip Mat
The included anti-slip mat is designed to dampen noise and protect your drives and surfaces from scratches. Place your optical or storage drive on the mat during operation for added stability and protection.

Image: The adapter and a drive placed on the anti-slip mat.
Troubleshooting
- Drive Not Detected:
- Ensure all cables (SATA, USB, power) are securely connected.
- Verify the adapter's power switch is in the ON position.
- Try connecting the adapter to a different USB port on your computer.
- If using a desktop, try connecting to a USB port directly on the motherboard (rear ports).
- For new hard drives, ensure they are initialized and formatted in Disk Management (Windows) or Disk Utility (macOS). - Insufficient Power:
- Some high-power optical drives or 3.5-inch HDDs may require more power than the provided 12VDC, 2A AC adapter can supply. If you experience instability or detection issues, consider using a higher-amperage 12VDC AC adapter (e.g., 3A or 4A) if your drive requires it. - Slow Transfer Speeds:
- Ensure you are connected to a USB 3.0 port on your computer. USB 2.0 ports will operate at significantly lower speeds.
- Verify your operating system and USB host controller support UASP for optimal performance with SSDs. - Operating System Compatibility:
- The adapter is designed to be driver-free for Windows, macOS, and Linux. If you encounter issues, ensure your operating system is up to date. - SATA Drive Command Limitations:
- The SATA to USB bridge controller within the adapter may limit certain advanced SATA drive commands. This is generally not an issue for standard data transfer and optical drive functions.
Specifications
| Model Number | CB-ST00U3 |
| Brand | Vantec |
| Interface | USB 3.0 (Type A to Type B) to SATA 6Gbps |
| Compatible Drive Types | SATA I/II/III Optical Drives (5.25"), SATA I/II/III HDDs/SSDs (2.5", 3.5") |
| Operating System Support | Windows, macOS, Linux |
| Features | UASP Support, Hot-swappable, Plug & Play (No Drivers Needed) |
| Power Input | 12VDC, 2A (AC Adapter included) |
| Dimensions (LxWxH) | 3.9 x 1 x 1.7 inches (approx. 99 x 25 x 43 mm) |
| Weight | 3.04 ounces (approx. 86 grams) |

Image: Front view of the adapter with labeled ports and dimensions.
Warranty Information
For detailed warranty information regarding your Vantec NexStar CB-ST00U3 adapter, please refer to the official Vantec website or contact Vantec customer support directly. Warranty terms and conditions may vary by region and purchase date.
Support
Should you require technical assistance or have questions about the Vantec NexStar CB-ST00U3 adapter, please visit the official Vantec website for support resources, FAQs, and contact information for their customer service department.





