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🔐 Lock down your network ports in style — secure, sleek, and smart!
The NTW RJ45 Port Blocker & Dust Cover is a TAA-compliant, metal key-lock device designed to secure and protect Ethernet ports from unauthorized use and environmental damage. With 50 color-coded locks included, it offers universal fit for all standard RJ45 sockets, combining robust physical security with dust and debris protection. Ideal for professional environments, it ensures network integrity with easy installation and management.









| ASIN | B00KONIQHC |
| Additional Features | Key Lock |
| Brand Name | NTW |
| Color | Red |
| Connectivity Protocol | Ethernet |
| Control Method | App |
| Controller Type | Hand Control |
| Customer Reviews | 4.4 4.4 out of 5 stars (192) |
| Finish Types | Powder Coated |
| Global Trade Identification Number | 00678138311222 |
| Included Components | Locking key |
| Item Dimensions | 11 x 7 x 12 millimeters |
| Item Type Name | RJ45 Port Blocker |
| Item Weight | 0.02 Pounds |
| Lock Type | Key Lock |
| Manufacturer | Archtech Electronics Corporation |
| Manufacturer Part Number | NL-PBK50-RD |
| Material Type | Metal |
| Model Name | NL-PBK50-RD |
| Model Number | NL-PBK50-RD |
| Number of Pieces | 1 |
| Recommended Uses For Product | Securing network ports in homes, offices, and data centers |
| Shape | Rectangular |
| Style Name | Modern |
| UPC | 678138311222 |
| Unit Count | 50 Count |
M**Y
Great for Layer-1 security
I got lucky and found a warehouse deal for a 50 pack of these ($19.79, Used-Like New) - not sure if I would have paid the full $75 for a 50 pack. With that said, they get the job done and they do it well. They snap into place VERY securely and there is no removing these things unless you have the key. I have these on my home server rack to primarily keep dust out, they also don’t look half bad. Keeps everything uniform. I could see these being extremely useful in a business or school environment where you need to block those ports out for security reasons. Obviously you could just disable the port in software, but having that extra layer of security definitely doesn’t hurt. I’ve seen some bad reviews where people complain they can’t remove the blocker from the key… just pull it off of the key and you’re good to go. The keys are different for each color, which is also beneficial. Very happy with my set. I did go ahead and take the plunge for another 10-pack at the MSRP to get those last few ports blocked.
A**R
I bought 3 different colour packs to differentiate laptops
I bought 3 different colour packs to differentiate general distribution laptops that are the same model, but need to be stored in different areas of our school buildings. They are working really well. Now it's easy to see where laptops need to be returned by their colour code... Yellow... Grade 3 Green... Grade 4 Red... Design Lab Before the port locks we used stickers, but stickers would either fall off or get peeled off. The port locks are highly visible and practically fail-proof. All parties, myself included, are pleased with the purchase.
B**U
Works well
Works well but a little expensive for plastic.
R**.
Useless - Cant get the key out of the lock
When you use the key to remove - it gets stuck. It's not intended to be a one time use plug - but essentially it is. I tried wiggling, jiggling, pliers, knife. It's just a poor design - especially for the price. Look elsewhere.
C**S
Fit securely & keep dust out
These are exactly as described. They sit securely in the port. They keep dust out. Only concern is losing the key. Great pick-up.
Trustpilot
2 weeks ago
1 month ago