- Web Development
The True Cost of a Business Website in 2026
11 Mar, 2026

£21.62 inc. VAT
AI-generated summary
For £18 ex-VAT for a 10-pack, this StarTech Cat5e inline RJ45 coupler is a pretty sensible “don’t overthink it” item—assuming you just need to extend or repair a short run without replacing the whole cable. Inline couplers like this are great for tidy, field-friendly fixes (network patching, temporary comms changes, training rooms, low-risk site work). StarTech also tends to make the small hardware bits pretty reliably, so you’re usually not fighting wobbly plastic or loose contact issues, which is where cheaper couplers often become a time-sink.
That said, I’d be cautious about using couplers in permanent, high-throughput network links. Any additional connection point can be a weak spot, and if you’re building something you want to forget about for years, a proper patch lead or re-terminating the cable is the cleaner route. Also, Cat5e is fine for typical 1GbE in most straightforward scenarios, but if you’re buying with future-proofing in mind, you may prefer to move everything to higher-grade structured cabling rather than adding more “in-between” joints.
**Who should buy:** offices, estates, small IT teams, AV/network techs doing quick in-situ repairs, and anyone needing a low-cost stopgap for short distances. **Who shouldn’t:** anyone trying to build the “best possible” long-term backbone link, or installations where you want zero extra connection points.

Lenovo
Lenovo ThinkPad Ethernet Extension Adapter Gen 2 - Network adapter cable - RJ-45 (F) to Lenovo Ethernet extension connector (M) - 8 cm - for ThinkCentre M75t Gen 2, ThinkPad L13 Yoga Gen 2, P14s Gen 2, T14s Gen 2, X13 Gen 2

STARTECH
StarTech.com RJ45 Coupler 5-Pack, Inline Cat6 Coupler, Female to Female (F/F) T568 Connector, Unshielded Ethernet Cable Extension - 5 Pack (IN-CAT6-COUPLER-U5) - Network coupler - RJ-45 (F) to RJ-45 (F) - unshielded - CAT 5/5e/6 - passive - white (pack of 5)