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StarTech RJ45 Dust Covers Review: Keep unused Ethernet ports clean and error-free

StarTech.com 100 Pack RJ45 Dust Covers - Reusable RJ45 Blanking Plug/Dust Cap - Ethernet/LAN Port Protector/Blocker - Snap In RJ45 Female Jack Protective Cover for Hubs Switches Routers (RJ45COVER)
4.6
[Protects Network Equipment]  Fits standard RJ45 slots to keep switches, routers and cards safe from dust and debris.
[Prevents Network Errors]  Blocks dust entry to reduce network errors and downtime caused by contaminated ports.
[Easy Snap-In Installation]  Snap-in design installs quickly without disrupting adjacent ports or connected cables.
[Outward Pull-Tab]  Convenient pull-tab enables fast removal even in tight port configurations.
[100-Pack Supply]  Includes 100 individual RJ45 female port blockers, ideal for IT racks and spare stock.
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Network accessories that keep open Ethernet ports clean and working, protecting switches, routers and network cards from dust and debris. Peace of mind for IT teams and home users who want tidy racks and fewer surprise faults, thanks to StarTech RJ45 Dust Covers. Are spare port protectors worth keeping on hand for routine maintenance?

⚡ At a Glance
  • Protection Quality: Blocks dust, debris and insects from standard RJ45/LAN slots
  • Best for: IT professionals, network administrators and home lab users maintaining switches and routers
  • Not ideal for: Users who require physical port locks or keyed security solutions

Snap-in RJ45 female jack covers come in a pack of 100 and include outward-facing pull-tabs for easy insertion and removal. Reusable caps protect unused ports on switches, routers, network cards and media converters from dust, debris and insects.


Fewer network faults – thanks to snap-in port covers

Snap-in RJ45 female jack protectors install into any standard RJ45/LAN slot, sitting flush within the connector to block contaminants. The secure snap fit prevents dust and debris from accumulating in open ports.

Reducing particulate ingress into unused ports lowers the chance of connection errors and unexpected downtime during operation.

Faster maintenance cycles – with outward-facing pull-tab

An outward-facing pull-tab allows each cover to be gripped and removed quickly, without disturbing adjacent ports or cables. The snap-in design keeps covers stable until they are deliberately removed.

Maintenance tasks such as swapping cables or checking port status become quicker and neater, saving time for technicians.

Ready for multiple sites – with a 100-pack supply

Bulk packaging supplies 100 individual RJ45 female port blockers, making it straightforward to keep spares across racks or storage boxes. Units are described as reusable for repeated deployment.

Having a large quantity on hand ensures spare covers are available for routine maintenance and reduces the risk of running out during large-scale updates.

✨ The 4 Key Reasons for StarTech RJ45 Dust Covers
  1. 100-pack, Enough spares for multiple racks and routine maintenance
  2. Snap-in fit, Securely blocks ports without affecting neighbouring connections
  3. Outward-facing pull-tab, Fast removal during maintenance, avoids cable disturbance
  4. Reusable caps, Reinstallable protection for long-term port care
📋 Technical Details at a Glance
  • Category: RJ45 port protectors
  • Brand: StarTech
  • Compatibility: Standard RJ45/LAN slots on switches, routers, network cards and media converters
  • Connector Type: RJ45 female jack protector
  • Quantity: 100 pack
❓ Frequently Asked Questions

Q: Will these fit any standard RJ45 port?

A: Yes. Covers install in any standard RJ45/LAN slot, making them compatible with common switches, routers, network cards and media converters.

Q: Are the covers reusable?

A: Yes. The product descriptions state the covers are reusable, so they can be removed and reinstalled as needed.

Q: Will removal disturb adjacent ports or cables?

A: No. The outward-facing pull-tab is designed for easy removal without disrupting neighbouring ports or connected cables.

🏆 Our Verdict

A practical choice for IT teams, network administrators and home lab builders who need to protect unused Ethernet ports. Snap-in fit, outward pull-tabs and a 100-pack supply make maintenance straightforward while reducing dust-related network faults. A small, straightforward investment that saves time and lowers the risk of downtime over the long term.