UGREEN 15548
UGREEN 15548 4-Port USB 3.0 Data Hub
Turn one USB-A host port into four USB-A data connections, with an LED status indicator and a separate USB-C auxiliary-power input for a more stable high-load peripheral setup.
Product introduction
Overview
UGREEN 15548 is a compact four-port USB hub for a laptop or desktop with a USB-A host port. It adds four USB-A data connections for drives, keyboards, mice, printers and other compatible peripherals while using a single computer connection.
The hub is specified up to 5Gbps and remains backward compatible with lower-speed USB devices. That rate is shared through one upstream link: four devices cannot each receive an independent 5Gbps channel, and real file speed is limited by the slowest device, cable, storage media and host controller.
A USB-C socket on the hub accepts auxiliary power for connected peripherals. It is not a USB-C host connection and is not designed to charge the laptop, phone or tablet. A power adapter is not confirmed in the verified package information, so supply an appropriate source only when the exact product marking and peripheral load require it.
At a glance
Key features
Port-by-port clarity
One host lead, four data ports and one power-only input
USB-A host
Connect the attached upstream USB-A plug to a USB 3.x port on the computer for the full stated interface rate.
Four USB-A outputs
Attach compatible USB data peripherals; bandwidth and available bus power are shared across all four.
USB-C power input
Provides auxiliary power to the hub and connected devices. It is not a downstream data port and does not charge the host.
LED indicator
Shows hub power/connection status; it is not a transfer-speed or per-port activity meter.
Data expansion
Four peripherals through one shared upstream connection
The four downstream ports are useful when a notebook or compact desktop lacks enough USB-A sockets. Keyboards and mice use little bandwidth, leaving the shared link available for a storage device or another peripheral.
For large transfers, connect one high-speed drive at a time and allow the operation to complete before starting another. A “5Gbps” interface label is signalling capacity, not a guaranteed file-copy number.
- Use the computer USB 3.x port for the highest supported rate.
- Safely eject storage before removal.
- Test one device at a time if a peripheral is not detected.
Power stability
Auxiliary USB-C input supports peripherals, not the computer
Bus-powered hubs share the current available from the host port. High-draw hard drives and several peripherals can exceed that budget, so the dedicated USB-C input can supply auxiliary power to the hub side of the connection.
This input must not be marketed as laptop Power Delivery. It does not send charging power back through the USB-A host plug, and no charging wattage for phones or tablets is promised.
- Connect auxiliary power before adding high-draw storage.
- Use a stable source compatible with the hub marking.
- Disconnect the power source before cleaning or inspecting the connectors.
Real-world applications
Use scenarios
Choose this exact model when its verified connections and limits match the workflow below.
Laptop desk
Attach a keyboard, mouse, printer or USB drive when the computer has only one convenient USB-A port.
Desktop reach
Bring four accessible USB-A connections closer to the front of a workstation.
Storage workflow
Use auxiliary power when a compatible portable drive needs more stable peripheral power than the host alone supplies.
Service and setup kit
Connect several low-bandwidth configuration tools while preserving a single host USB-A socket.
Practical connection order
Setup and usability guidance
A deliberate connection order makes capability checks and troubleshooting easier.
- Connect the hub USB-A plug directly to a working computer USB port.
- Wait for the operating system to recognise the standard hub.
- Attach a low-power peripheral such as a keyboard or mouse and confirm operation.
- Add storage and other devices one at a time.
- If a drive is unstable, connect suitable auxiliary power to the hub USB-C input before reconnecting it.
- Install any driver required by the peripheral rather than by the basic hub.
- Eject removable storage through the operating system before unplugging it.
- Disconnect peripherals and auxiliary power before transporting the hub.
Host and peripheral fit
Compatible devices and systems
Connector shape alone is not enough: the host port, operating system, cable, display and peripheral must support the required function.
Windows computers
Laptop and desktop USB-A hosts; modern systems generally use standard USB hub drivers.
macOS and Linux hosts
Compatible computers with USB-A data support; individual peripherals still require OS support.
USB peripherals
Flash drives, external storage, keyboard, mouse, printer, card reader and other USB-A data devices.
Lower-speed devices
Backward-compatible USB 2.0/1.1 peripherals work at their own lower negotiated rate.
Verified function scope
What this product does
- Adds four USB-A data ports to one USB-A host port.
- Negotiates USB data up to the 5Gbps interface ceiling with compatible equipment.
- Accepts auxiliary USB-C power for the hub and attached peripherals.
- Shows basic status through an LED indicator.
Boundaries that prevent a mismatch
What this product does not do
- It does not turn USB-A into a USB-C host connection.
- It does not provide HDMI, DisplayPort, Ethernet or card-reader functions.
- It does not charge the laptop through the USB-A host connection.
- It does not guarantee 5Gbps file copies or 5Gbps per downstream port.
- It does not replace a peripheral-specific driver or power adapter.
Recommended practice
What to do
- Use a USB 3.x host port for the best available data rate.
- Add high-draw storage only after connecting suitable auxiliary power.
- Keep the hub and connectors on a dry, stable surface.
- Eject storage before removal.
- Troubleshoot with one peripheral and no extension cable first.
Avoid common mistakes
What not to do
- Do not use the USB-C power input as a data port.
- Do not expect the hub to charge the computer or phone.
- Do not assume each port has a separate 5Gbps path.
- Do not unplug a drive during writes.
- Do not use damaged or loose power and data connections.
Read before use
Warnings and limitations
Check before connecting or ordering
- The upstream connector is USB-A, not USB-C.
- The USB-C socket is auxiliary power input only; it neither carries hub data nor charges the host.
- All four data ports share one up-to-5Gbps upstream connection.
- High-draw hard drives may require auxiliary power and their own healthy data cable.
- No USB-C power adapter or cable is confirmed as included.
- A phone or tablet is not a supported charging target through this hub.
- Peripherals such as printers and specialist equipment may still require their own drivers.
Warning / limitation 1
Insufficient host or auxiliary power can cause drives to disconnect even when the data link is healthy.
Warning / limitation 2
Multiple transfers share the upstream link and can reduce one another’s speed.
Warning / limitation 3
Some bus-powered hard drives have a start-up current higher than their steady-state draw.
Warning / limitation 4
A lit LED confirms basic power/status, not that a file operation has completed.
Warning / limitation 5
Stop use if the cable or enclosure is damaged, wet, unusually hot or repeatedly disconnecting.
Model-specific data
Technical specifications
| Specification | Verified detail |
|---|---|
| Brand / SKU | UGREEN 15548 |
| Product type | Four-port USB data hub |
| Host connector | USB-A |
| Downstream ports | 4 × USB-A data |
| Maximum interface rate | Up to 5Gbps, shared |
| Backward compatibility | USB 2.0 and USB 1.1 devices at their negotiated rates |
| Auxiliary power | USB-C input for connected peripherals |
| Host charging | Not supported |
| Video output | Not supported |
| Status | LED indicator |
| Driver model | Standard USB hub; peripherals may require their own drivers |
Verified in-box information
Package contents
- 1 × UGREEN 15548 four-port USB hub with attached USB-A host lead.
A USB-C auxiliary-power adapter or cable is not confirmed as included. Storage, keyboard, mouse and other devices shown in usage scenes are illustrative.
Model-specific answers
Product-specific FAQ
Is the host connector USB-A or USB-C?
The upstream host connector is USB-A. The USB-C socket on the hub is a separate auxiliary-power input.
Can the USB-C socket transfer data?
No. It is designated for auxiliary power and is not one of the four downstream data ports.
Will this hub charge my laptop?
No. It does not send charging power through the USB-A host connection.
Can it charge a phone?
No phone-charging function or wattage is verified. Use a dedicated charger rather than this data hub.
Does every port run at 5Gbps?
The four ports share one up-to-5Gbps upstream link. Actual speed depends on the host, device, cable, files and concurrent use.
Why does my external drive disconnect?
The drive may need more power than the host supplies. Connect appropriate auxiliary power, test the drive alone and check its data cable.
Is a power adapter included?
No USB-C auxiliary-power adapter or cable is confirmed in the exact package information.
Does it work with USB 2.0 devices?
Yes. It is backward compatible, but the device operates at its own lower negotiated speed.
Does the LED show transfer activity?
Treat it as a basic hub status indicator, not a definitive per-port activity or completed-transfer signal.
Does the hub need a driver?
Modern systems generally use a standard hub driver. A connected printer, interface or specialist device may need its own driver.
Can I connect four storage drives at once?
They may enumerate, but bandwidth and power are shared. High-draw drives can require auxiliary power, and simultaneous transfers will be slower.
