How to choose a USB-C hub or dock for your laptop
Ports, video output, charging and bandwidth. How to connect everything with one cable and no bottlenecks.
By Luis E.F.B · Founder & reviewer
Updated June 2026
Modern laptops are thin and elegant... and barely have any ports. A USB-C hub or dock fixes that: you connect monitors, keyboard, mouse, drive and charging with a single cable. But choosing wrong leaves you with a flickering monitor or a painfully slow drive.
Hub or dock: not the same thing
- ✓USB-C hub: small and portable, powered by the laptop itself. Perfect for the backpack and adding a few ports on the go.
- ✓Dock (docking station): larger, with its own power supply. It's the fixed hub of your desk: leave it connected and plug in the laptop with one cable.
If you always work in the same place with several monitors, you want a dock. If you move around, a hub.
Video output: where people fail most
- ✓Check how many monitors and at what resolution/refresh it supports. "Supports 4K" means nothing without the hertz: 4K at 30 Hz looks choppy; you want 4K at 60 Hz.
- ✓DisplayPort Alt Mode versus Thunderbolt: Thunderbolt (3/4) offers far more bandwidth and allows two 4K monitors at 60 Hz. A basic USB-C hub sometimes maxes out at one.
- ✓On laptops without Thunderbolt, some docks use DisplayLink (with a driver): it works, but uses CPU.
Bandwidth and charging (Power Delivery)
- ✓Power Delivery: if you want to charge the laptop over the same cable, check the watts. A powerful laptop may need 90-100 W; many hubs only deliver 60 W.
- ✓Data: for fast SSDs, look for USB 3.2 (10 Gbps) or Thunderbolt ports; USB 2.0 ones are a huge bottleneck.
Compatibility: check your laptop
Confirm whether your laptop has Thunderbolt or just standard USB-C. A Thunderbolt dock only half-works on a regular USB-C port. MacBooks and many high-end laptops have Thunderbolt; cheaper ones don't always.
Our recommendation for your case
- ✓Fixed desk with dual monitors and everything connected: a Thunderbolt dock (one cable connects it all and charges).
- ✓Mobility and a few ports: a compact hub.
- ✓Tight budget: first define how many monitors you need and at what refresh; that determines whether a cheap hub works or you need Thunderbolt.
In short: confirm the video output (monitors × hertz) and your laptop's compatibility before anything else.
Our picks
CalDigit TS4
The most complete Thunderbolt 4 dock on the market. 18 ports, 98W charging and compatible with Mac and PC.
Anker 655 USB-C Hub 8-in-1
The most complete USB-C hub for under €70. 8 ports including 4K HDMI, Ethernet and card reader.
Looking for more thunderbolt 4 dock options?
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