USB-C hub for 4K 60Hz: Anker 555 vs Anker 332

Start with the display mode you actually need

Write down the monitor’s target resolution and refresh rate together, for example 3840 × 2160 at 60Hz. Then check that target against the laptop, hub, HDMI cable, and display input. Each component is part of the same chain. An adapter cannot create a capability the host computer does not provide.

Do not buy from a headline alone. Product names can shorten a detailed specification to “4K,” and listing images may show a display without identifying the operating mode. Read the exact model documentation. If a required mode is not clearly supported, ask the manufacturer before ordering rather than treating an ambiguous description as a promise.

Why the Anker 332 is a different purchase

The 332’s documented HDMI limit is up to 4K at 30Hz. It can be a candidate for a straightforward desk where that display mode is acceptable and the main need is connecting a monitor and a few USB accessories. It should not be purchased as an assumed substitute for a 4K 60Hz hub.

This is the A8355 configuration. Similar hub names are easy to confuse, so match the model and port diagram. Its USB-C data and power-input ports are not extra video outputs. If you need a second display, a USB-C display connection, or networking, stop and compare products designed for those requirements instead of adding adapters at random.

When the Anker 555 earns the extra ports

The Anker 555 / A8383 is the more relevant candidate here for a 4K 60Hz HDMI target. It also adds Ethernet and memory-card slots. Those additions are useful when they replace accessories you would otherwise connect separately; they are less useful if they remain empty on your desk.

Host support still matters. Anker’s published instructions distinguish the host capabilities required for different display modes. Confirm the laptop’s documented video output and the hub’s current requirements together. This comparison does not guarantee compatibility with every MacBook, Windows laptop, tablet, or USB-C port.

Do the charging calculation on the correct number

Both product families advertise pass-through charging, but the charger input rating and the power available to the laptop are different figures. Check the stated laptop output against the power your computer needs. A charger and an appropriate cable may be separate purchases.

List what must remain connected while charging: monitor, keyboard receiver, external drive, or card reader. Avoid treating a hub as an unlimited power supply. Keep your original charger available while you confirm the arrangement works for your normal workload, and follow the manufacturer’s power and ventilation instructions.

A practical pre-purchase checklist

Confirm the exact laptop model and which physical port supports video. Check the desired display mode on the monitor’s specific HDMI input. Match the cable specification to that mode. Confirm whether Ethernet, card slots, and the available USB connections cover the devices you need simultaneously.

Finally, map the hub’s position on the desk. A short host cable can be awkward beside a raised laptop, and several connected leads need room to exit without strain. Choose the 332 only if its limits fit; choose the 555 when its documented capabilities meet a real requirement. More ports are useful only when the whole setup works.

Common questions

Sources and method

We checked the manufacturer documentation below and matched the linked Amazon product listings to the named models on October 29, 2026. Product selections reflect the stated use cases and documented limitations. We did not purchase or test these products, reproduce customer ratings, or verify current price and stock.

• Anker 332 / A8355 ports, charging, and display limits ↗
• Anker 555 / A8383 specifications ↗

Our own analysis concerns layout choices and buying decisions. Manufacturer specifications can change. Verify compatibility for your exact equipment before ordering. Read our editorial policy and affiliate disclosure.