QNAP CAB-TBT4-2M

Overview

The QNAP CAB-TBT4-2M is an active Thunderbolt 4 cable designed to connect Thunderbolt 4 compatible devices, such as NAS enclosures, directly to your computer. This 2-meter (6.6-foot) USB-C to USB-C cable supports data transfer speeds up to 40 Gb/s, ensuring fast and stable connections for demanding data tasks. Its built-in microchips maintain signal quality over longer distances, making it a reliable choice for users who need consistent performance without video transmission capabilities.

Key features

• Active cable design with integrated signal enhancement chips to preserve data integrity over 2 meters
• Supports Thunderbolt 4 data transfer speeds up to 40 Gb/s for rapid file transfers and backups
• USB-C male to USB-C male connectors for straightforward device compatibility
• Optimized for data-intensive workflows such as professional content creation and high-resolution media streaming
• Excludes DisplayPort Alternate Mode and USB 3.1 Gen 1/2 backward compatibility to focus solely on Thunderbolt 4 data performance

Key specs

• Cable length: 2 meters (6.6 feet)
• Data transfer rate: up to 40 Gb/s
• Connector type: USB-C male to USB-C male
• Compatibility: Thunderbolt 4 devices only
• Signal enhancement: built-in active microchips on both ends
• Video support: no DisplayPort Alternate Mode
• Backward compatibility: not compatible with USB 3.1 Gen 1 or Gen 2

Connectivity and compatibility

This cable is designed specifically for Thunderbolt 4 devices, making it ideal for connecting NAS enclosures, external drives, and other peripherals that require high-speed data transfer. Its USB-C connectors fit modern laptops and desktops equipped with Thunderbolt 4 ports, but it does not support video output or older USB standards, so it is best used in setups focused on data transfer rather than display or legacy device connections.

Ideal uses and environments

The QNAP CAB-TBT4-2M fits well in professional environments where large data transfers are routine, such as video editing studios, data backup stations, and network-attached storage setups. It is a strong choice for users who need a reliable cable that maintains Thunderbolt 4 speeds over a longer distance without signal degradation. This cable suits those who prioritize fast and stable data connections over video capabilities or backward compatibility with older USB devices.

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Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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