
ThunderLok-A Connector Lock (2-pack, for Sonnet Thunderbolt 5, 4, and 3 cables)
Part No. TB-LOK-A.

Secure Connections
ThunderLok-A Connector Lock for Thunderbolt 5, 4, and 3 Cables
Sonnet ThunderLok-A prevents accidental disconnections of Thunderbolt 5, 4, and 3 cables when used with Sonnet devices that support ThunderLok connections
Note: ThunderLok-A not compatible with Thunderbolt 4 cables included with Sonnet Solo10G Thunderbolt Adapter and Echo 20 Thunderbolt 4 SuperDock. These devices require ThunderLok-B connector locks.
Added Security
Thunderbolt connectors rely on friction to stay in place, which works well in stable setups, but can lead to accidental disconnections if equipment is moved. A disconnected cable can cause lost files or interrupted projects. ThunderLok-A connector lock secures a Thunderbolt cable to compatible ThunderLok Sonnet products, ensuring a reliable and uninterrupted connection.

Key Features
- Compatibility –  Sonnet Thunderbolt 5, 4, and 3 cables (except cables included with Solo10G Thunderbolt Adapter and Echo 20 Thunderbolt 4 SuperDock)
- Easy to Install and Use – Slides over cable and connects to device.
- Won’t Get Lost – Remains on cable, even when disconnected
- Package Contents – Two ThunderLok-A connector locks.
-
Warranty – 2-year warranty.
- Product Support – Lifetime support.
- The Sonnet Advantage - Innovating technology since 1986.
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Pre-sales Questions?
Contact: [email protected]
WARNING: California’s Proposition 65
Product specifications and information subject to change without notice. Computers and accessories that may be featured in photos are not included with the product.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Part No. TB-LOK-A.

Secure Connections
ThunderLok-A Connector Lock for Thunderbolt 5, 4, and 3 Cables
Sonnet ThunderLok-A prevents accidental disconnections of Thunderbolt 5, 4, and 3 cables when used with Sonnet devices that support ThunderLok connections
Note: ThunderLok-A not compatible with Thunderbolt 4 cables included with Sonnet Solo10G Thunderbolt Adapter and Echo 20 Thunderbolt 4 SuperDock. These devices require ThunderLok-B connector locks.
Added Security
Thunderbolt connectors rely on friction to stay in place, which works well in stable setups, but can lead to accidental disconnections if equipment is moved. A disconnected cable can cause lost files or interrupted projects. ThunderLok-A connector lock secures a Thunderbolt cable to compatible ThunderLok Sonnet products, ensuring a reliable and uninterrupted connection.

Key Features
- Compatibility –  Sonnet Thunderbolt 5, 4, and 3 cables (except cables included with Solo10G Thunderbolt Adapter and Echo 20 Thunderbolt 4 SuperDock)
- Easy to Install and Use – Slides over cable and connects to device.
- Won’t Get Lost – Remains on cable, even when disconnected
- Package Contents – Two ThunderLok-A connector locks.
-
Warranty – 2-year warranty.
- Product Support – Lifetime support.
- The Sonnet Advantage - Innovating technology since 1986.
![]()
Pre-sales Questions?
Contact: [email protected]
WARNING: California’s Proposition 65
Product specifications and information subject to change without notice. Computers and accessories that may be featured in photos are not included with the product.










