StarTech USB-A Port Blocker Plugs Spare Plugs For

Block access to USB-A ports to prevent unauthorized use or tampering.

Enhance USB port security

Supplement or replace USB-A port blockers to prevent unauthorized access, data theft, and malware attacks. The snap-in dust protection plugs are designed for use with the compatible USB-A port blocker key and provide a visible and effective deterrent in offices, classrooms, and other shared environments.

Quick installation and flexible adjustment

The USB-A port blockers can be installed tool-free in seconds without affecting adjacent ports. Simply plug into the USB port to secure it. If needed, access can be quickly restored with the compatible security key and then secured again. The reusable design allows for easy scaling and adaptation to changing security requirements.

Maintain port protection and reliability

In addition to access control, the replacement plugs also serve as dust protection, keeping USB-A ports free from dirt and debris. This preserves functionality, supports consistent performance, and extends the lifespan of laptops and desktop PCs—especially in high-traffic environments.