Why Port Count Is Only Part of the Answer

A search for a 4-port USB hub usually starts with a simple problem: your laptop has one or two USB-C ports and you have more cables than slots. The number on the box feels like the answer. But two hubs with the same port count can behave completely differently depending on the connection standard behind each port, whether the hub passes power through to your laptop, and what display output — if any — it supports.
The ports that matter most are not always the ones you reach for first. A single USB-A port running at USB 2.0 speed moves data far more slowly than one running at USB 3.0. A hub that lists 100W PD pass-through charges your laptop through the same cable you used to plug the hub in, so you lose no power port at all. A hub with HDMI™ output adds a full external monitor without touching your laptop's battery or ports directly.
Turonic's current lineup does not include a hub sold specifically as a 4-port device. What it does offer is a range of USB-C hubs that start at seven connections and scale upward — each one built around a different combination of display output, data speed, card reading, and power delivery. If you counted four things you needed to plug in, one of these covers those four and then some, without making you choose between them.
The Turonic USB-C Hub Lineup: What Each Model Actually Delivers

The Turonic YG-2120 is the entry point in the lineup. It uses a single HDMI™ output capped at 4K@30Hz, includes USB-A ports across two different speed tiers, an SD and MicroSD card reader, and up to 100W PD pass-through. The body is aluminum with a short integrated cable, making it easy to pack flat.
The Turonic BYL-2425 steps up the display output to 4K@60Hz on its HDMI™ port, runs three USB-A ports all at USB 3.0 speeds, and keeps the same 100W PD pass-through and SD/MicroSD reader. The connection interface is USB 3.2, which affects how data moves across the hub itself, not just through individual ports.
Beyond those two compact hubs, Turonic offers a set of docking stations — the BYL-2003U2, BYL-2401, and BYL-2519 — that add dual HDMI™ outputs, wired Ethernet, DisplayPort, and in the case of the BYL-2519, a vertical stand and USB 3.2 data at up to 10 Gbps. These are larger, desk-anchored devices rather than travel hubs, and their port totals reflect that.
For a buyer who counted four things to plug in — a monitor, a USB drive, an SD card, and a phone charger — either compact hub covers all four from a single USB-C connection. The question becomes whether the display needs to run at 4K@30Hz or 4K@60Hz, and whether one USB-A port at USB 2.0 speed is acceptable for the devices being attached.
Model |
HDMI™ Output |
USB-A Ports |
PD Pass-Through |
Card Reader |
YG-2120 |
4K@30Hz / 1080p@60Hz |
1× USB 3.0 + 2× USB 2.0 |
Up to 100W |
SD / MicroSD |
BYL-2425 |
4K@60Hz / 1080p@120Hz |
3× USB 3.0 (5 Gbps) |
Up to 100W |
SD / MicroSD |
BYL-2003U2 |
Dual 4K@30Hz + VGA |
1× USB 3.0 + 2× USB 2.0 |
Up to 100W |
SD / MicroSD |
BYL-2401 |
Dual 4K@60Hz + DP 1.2 |
3× USB-A (5 Gbps) |
Up to 100W |
None |
BYL-2519 |
Dual 4K@60Hz + DP 4K |
3× USB 3.0 (5 Gbps) |
Up to 100W |
SD / MicroSD (USB 3.0 speed) |
The Spec Differences That Change How the Hub Behaves Day to Day

HDMI™ refresh rate is the spec most buyers skip past and then notice immediately. At 4K@30Hz, mouse movement on an external display can feel slightly laggy — not broken, but not the same as native. At 4K@60Hz, motion is smooth and the display behaves like it is running natively. If your monitor tops out at 1080p, this distinction disappears entirely, since both hubs support 1080p@60Hz.
USB-A port speed matters most when transferring large files. Plugging an SSD into a USB 2.0 port means waiting considerably longer for the same transfer compared to a USB 3.0 port running at 5 Gbps. For a USB mouse or keyboard, the speed tier is irrelevant — those devices use almost no bandwidth. Count which devices you plan to attach and check whether they are storage or peripherals before choosing between the YG-2120 and BYL-2425.
PD pass-through rated at 100W keeps most laptops charging at full wall-charger speed through the hub's USB-C connection, so you do not need a second cable or outlet for your laptop. Both compact Turonic hubs carry this rating. The integrated cable on each hub — 143 mm long — connects the hub directly to your laptop's port, with no separate cable to lose or forget in a bag.
Wired Ethernet is absent from the two compact hubs but present on all three docking stations. If your work depends on a stable, wired network connection, a docking station covers that need; a compact hub does not. That is a structural difference between the two categories, not a quality difference.
Best
Turonic YG-2120 USB Hub, 7-in-1 USB-C Adapter with 4K HDMI™ Output, 100W PD Pass-Through Charging, USB 3.2 & USB 3.0 Ports, SD/MicroSD Reader, Aluminum Housing, Slim Travel Design
Seven ports, one USB-C connection, slim aluminum build
Ports, display, and charging in one hub
The YG-2120 adds an HDMI™ output at 4K@30Hz or 1080p@60Hz, a USB 3.0 port at 5 Gbps, two USB 2.0 ports, an SD/MicroSD card reader, and up to 100W PD pass-through charging through a single USB-C connection. Its 143mm integrated cable and aluminum housing keep the setup compact.
Suited to laptop users who travel or desk-share
The slim aluminum body and fixed 143mm cable are designed to reduce desk clutter and pack easily. It is compatible with Mac, Windows, Android, and iPhone devices.

Choosing Between a Compact Hub and a Docking Station

A compact hub — the YG-2120 or BYL-2425 — sits between the laptop and the cables. It travels in a bag, attaches directly to the laptop port via its built-in cable, and adds no cords to manage beyond the devices themselves. It does not need its own power source. The tradeoff is that everything it delivers flows through one USB-C connection, and port count reflects that constraint.
A docking station — the BYL-2003U2, BYL-2401, or BYL-2519 — sits on or under the desk permanently. It connects your laptop with a single cable and delivers dual monitors, Ethernet, multiple USB-A ports, and audio all at once. The BYL-2519 adds a vertical stand and the fastest data ports in the lineup. These are not designed to move around.
If you started your search looking for four ports, the compact hubs deliver those four connections and several more. If your setup has grown to include two external monitors, a wired network, and a full array of peripherals, one of the docking stations handles the full load without requiring you to manage multiple adapters. Count what you have now and leave room for what you are likely to add — both categories are available, and neither requires any modification to your laptop.
FAQ
Does Turonic make a USB hub with exactly 4 ports?
Turonic's current hub lineup starts at seven connections per hub. All of them are USB-C hubs that combine HDMI™ output, USB-A ports, card readers, and PD pass-through — covering four or more needs from a single connection rather than offering four bare USB-A slots.
What is the difference between the Turonic YG-2120 and the BYL-2425?
The BYL-2425 delivers 4K@60Hz HDMI™ output and three USB-A ports all running at USB 3.0 speeds, while the YG-2120 tops out at 4K@30Hz and splits its USB-A ports across USB 3.0 and USB 2.0 speed tiers. Both carry 100W PD pass-through and SD/MicroSD card reading.
Can I charge my laptop through a Turonic USB-C hub at the same time as using the other ports?
Yes. Both compact hubs — the YG-2120 and the BYL-2425 — support up to 100W PD pass-through, which means your laptop charges through the same USB-C connection the hub uses, leaving the hub's other ports free for your monitor, drives, and card reader.
Do any of the Turonic hubs support wired Ethernet?
Wired Ethernet is available on the docking station models — the BYL-2003U2 supports up to 100 Mbps, while the BYL-2401 and BYL-2519 both support 1 Gbps. The compact hubs, YG-2120 and BYL-2425, do not include an Ethernet port.
Is the cable on a Turonic USB-C hub detachable?
The cable on both the YG-2120 and BYL-2425 is integrated into the hub body at 143 mm in length, so there is no separate cable to misplace. It connects directly to your laptop's USB-C port and is not removable or replaceable.