Wi-Fi in a flat or res room is rarely as steady as the speed test suggests. A dock with built-in Ethernet pulls the laptop onto a wired line, but the speed grade you pay for should match your fibre package and how you actually move files.
Quick Answer
For Gigabit fibre and stable video calls, a dock with built-in 2.5GbE Ethernet (not just 1GbE) is worth the extra; budget around R1,800 to R3,500 for a Thunderbolt 4 dock that delivers it alongside 96W charging.
Ethernet: 1GbE Versus 2.5GbE
Cheaper docks ship with 1Gbps Ethernet, which caps you at about 940Mbps of usable throughput. If your fibre line is 200Mbps or 500Mbps that is fine, but a 1Gbps uncapped package or large local NAS transfers will saturate it. A 2.5GbE port (found on better Thunderbolt 4 docks near R3,500) lifts the ceiling to 2,500Mbps and keeps file copies and video calls steady. Wired Ethernet also removes the Wi-Fi jitter that ruins ranked play and Teams calls.
Named Docks And ZAR Bands
Three docks cover most South African desks. The Anker 555 USB-C hub (around R1,300) gives 8-in-1 connectivity with 4K30 HDMI and 65W pass-through for single-screen work. The UGREEN Revodok Pro 10-in-1 (roughly R2,000) adds 4K60 HDMI and Gigabit Ethernet for fuller desks. For dual-display and fast storage, a Thunderbolt 4 dock in the R3,000 to R5,500 band delivers 40Gbps bandwidth, 90W to 96W charging and two downstream display outputs.
How To Choose For Deal hunters
Write down the exact peripherals that live on the desk, then count the displays, the wired-network need and the charging wattage your laptop draws. A single-screen worker rarely needs more than the Anker 555 near R1,300. Add Gigabit or 2.5GbE Ethernet only if Wi-Fi is unreliable in your room. Step up to a Thunderbolt 4 dock when dual 4K, 90W charging and a fast SSD all have to run together. Buying for the workflow you repeat daily beats buying for ports you might use one day.
Tailored To Deal hunters
Rand-conscious buyers win by spending on the part that lasts and skipping features that do not change daily use, so phase the spend rather than buying everything at once. For this use, match bandwidth and charging to the devices on the desk, with a capable hub from about R700 and a Thunderbolt 4 dock once dual 4K and 90W charging are needed.
FAQ
Is a Thunderbolt 4 dock worth it over a cheap USB-C hub?
Only when you need dual 4K at 60Hz, 90W charging or a fast external SSD at the same time. For single-screen work a R1,300 hub delivers the same daily experience for far less.
How much charging wattage should the dock supply?
Match it to your laptop: 65W suits thin 13 to 14-inch machines, while 16-inch creator laptops want 90W to 100W so the battery holds during heavy work. Under-spec power makes the battery drain even while plugged in.
Will any dock work with my laptop?
No. The laptop must support DisplayPort Alt Mode for video and Power Delivery for charging. Check the port icons or spec sheet first, because an unsupported machine will charge but refuse to drive an external display.
Map every cable on your desk first, then match a dock by display count, charging wattage and Ethernet need from Evetech's current docking station range.