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8 Feb, 2026







£30.41 inc. VAT
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For £25 ex-VAT, this is one of those “buy it once, stop thinking about it” Thunderbolt cables—**as long as you actually have Thunderbolt 5 gear** (or USB4 devices that will benefit from a high-spec TB link). The 50cm length is spot-on for desk setups, dock-to-laptop runs, and short rack-to-device paths where cable management matters. In real use, the value shows up when you’re moving big files, driving high-res displays, or expecting stable high-speed performance through a dock without playing the “will this cable work?” lottery.
That said, it’s not for everyone. If your devices are only USB-C/USB 3.x without Thunderbolt support, you’ll just be paying TB pricing for no real gain—ordinary USB-C cables will do the job just fine. Also, at 50cm, it’s easy to end up stretching or re-routing if your layout is messy, so if you’re not sure of the distance, consider buying the length that fits your actual run. Bottom line: **worth it for TB5/TB4/USB4 setups where reliability and throughput matter**; not worth it if you’re cable-shopping “just because it’s fast.”

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StarTech.com 3ft (1m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux - Rugged TPE Construction (1P3FFCNB-USB-SERIAL) - USB / serial cable - USB (M) to DB-9 (M) - 1 m - black

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StarTech.com 6ft (1.8m) Dual-DisplayPort and USB 5Gbps KVM Cable - Keyboard / video / mouse (KVM) cable - USB Type A, DisplayPort (M) to USB Type B, DisplayPort (M) - 1.83 m - 4K60Hz support, HDR10 support - black