- Cyber Security
How to Secure Your Business Wi-Fi Network
11 Mar, 2026




£15.42 inc. VAT
AI-generated summary
If you’ve got a stack of SFPs already in use (or sitting in spares), these dust covers are the kind of small purchase that saves you from annoying headaches later. The real value is protection: keeping lint/dust off the optical connectors so you don’t get intermittent link issues, reduced performance, or those “why is this port flaky?” tickets. At £12.88 ex‑VAT for a 10-pack, it’s cheap insurance, especially for offices, data closets, or warehouses where connectors get handled more than they should.
That said, don’t buy them expecting them to “improve” connectivity—if your fibre links are already marginal due to bad optics, patching, or cleanliness, covers won’t fix the underlying problem. Also, only really worth it if you’re actively moving modules around or storing spares; if everything stays installed permanently and you’re already using decent patch management, you may not need to top up. Who should buy? Any UK reseller/integrator, MSP, or small IT team managing multiple SFP installs and inventory who wants to keep deployment and maintenance clean, consistent, and low-friction.

Lenovo
Lenovo ThinkSystem X710-DA2 - Network adapter - PCIe 3.0 x8 low profile - 10 Gigabit SFP+ x 2 - for ThinkAgile MX3330-F Appliance, MX3330-H Appliance, MX3331-F Certified Node

Kensington
Kensington UA0000E USB 3.0 to Ethernet Adapter - K33981WW

STARTECH
StarTech.com - Hub - 4 x SuperSpeed USB 3.0 - desktop

Dell
Dell PERC H755 - Customer Kit - storage controller (RAID) - SATA 6Gb/s / SAS 12Gb/s - RAID 0, 1, 5, 6, 10, 50, 60 - PCIe 4.0