1 / 7UGREEN 25851 USB 3.0 Hub, 4-Port, 5Gbps
UGREEN 25851 is a compact USB 3.0 hub that turns one USB-A port into four for peripherals such as keyboards, mice and flash drives. Its claimed maximum transfer rate is 5Gbps, while customer feedback also includes reports of disconnections and early failure, so it suits buyers who need extra ports for everyday peripherals but should not be treated as a guaranteed-reliability upgrade.
At a glance
- Expands one USB-A connection to four USB-A ports for peripherals.
- The listing claims transfers up to 5Gbps. Actual performance depends on the connected devices and host.
- Advertised as plug and play, with no additional drivers or software required.
- The manufacturer describes it as compact and portable, with an indicator light.
Reference price: £9.49
Price checked: 12 Nov 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Four ports let you connect several USB peripherals through one USB-A port.
- A claimed 5Gbps maximum is useful for compatible data-transfer tasks.
- Plug-and-play operation is advertised, and customer feedback praises easy setup and compact size.
Technical specifications
10 specifications| Brand | UGREEN |
|---|---|
| Model | 25851 |
| Interface | USB 3.0 |
|---|---|
| Number of ports | 4 |
| Maximum data transfer rate | 5 Gigabits Per Second |
| Colour | Black |
|---|---|
| Enclosure material | Plastic |
| Dimensions (L x W x H) | 11L x 3W x 1H centimetres |
| Operating systems | Chrome OS, Linux, Windows 10, Windows 8.1 |
|---|---|
| Minimum required operating system version | Windows 10 |
What to know before buying
Listing details to confirm
The stated 5Gbps is a maximum claim, not a guaranteed real-world transfer rate. Customer feedback is mixed on reliability and connectivity, including reports of disconnections and failure within a month, while others report trouble-free use after six months. Cable length is also described inconsistently by customers, with some satisfied and others wanting more reach. Consider this uncertainty if uninterrupted or long-term connections are essential.
Who is it for?
A good fit for
- Laptop or desktop users needing four extra USB-A ports for everyday peripherals.
- Buyers looking for a small hub to carry between workspaces or on trips.
- Users connecting keyboards, mice, flash drives or similar USB peripherals.
Less suited to
- Anyone who needs more than four downstream ports or a documented charging capability.
- Buyers who require assured long-term reliability or a confirmed cable length.
Customer reviews on Amazon
- 5 stars
76% 76% - 4 stars
16% 16% - 3 stars
5% 5% - 2 stars
1% 1% - 1 star
2% 2%
Customer feedback highlights easy setup, compactness, useful port expansion and good perceived transfer speed. Reports about connectivity and reliability are mixed, ranging from trouble-free use after six months to disconnections and failure within a month. Some customers like the cable reach, while others want it longer. These experiences matter for a four-port hub intended for peripherals, but do not establish a guaranteed outcome for an individual unit.
Positive themes
- Customers praise ease of use and plug-and-play setup.
- Customers appreciate the compact design and added port capacity.
- Feedback describes data transfer speed positively.
Mixed feedback
- Connectivity and reliability feedback ranges from no problems after six months to disconnections and failure within a month.
- Opinions on cable length differ, with some satisfied and others wanting more reach.
Frequently asked questions
How many ports does the UGREEN 25851 provide?
It is listed with four USB ports and is described as expanding one USB-A port into four.
What transfer speed does the listing claim?
The claimed maximum is 5 Gigabits Per Second. This is not a guarantee of real-world speed.
Does it need driver installation?
The product description says it is plug and play and requires no additional drivers or software.
What should I know about reliability before buying?
Customer feedback is mixed. Some report extended trouble-free use, while others describe disconnections or failure within a month.
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