Our take
Y-3045 combines USB expansion and Gigabit Ethernet over a USB-A host and runs from bus power. Its manual does not settle the number of downstream USB sockets, so buyers should verify the physical layout before treating it as a multiport hub.
A USB-A computer needing wired Gigabit Ethernet and modest USB expansion, after the live item's downstream socket count and current network-driver support are confirmed..
Avoid it if you need USB-C, HDMI, laptop charging, a confirmed multiport count, or assured current network-driver compatibility.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The manual identifies the exact Y-3045 model and Gigabit Ethernet chipset.
- USB 3.0, bus power, and USB 2.0 backward compatibility are documented.
- The manual separates the driverless hub function from Ethernet driver needs.
What to weigh up
- The manual's prose and connector table conflict on downstream USB count.
- The old operating-system list does not prove current driver support.
- The historical ASIN and current offer are not mapped to the model.
Specifications and exact model details
The key details
| Model covered | Y-3045 |
|---|---|
| Host connector | USB-A host connector is listed |
| USB 3.x data ports | Downstream USB 3.0 count is unresolved: manual prose says three ports while the connector table shows one |
| Installation | Portable combined USB hub and Gigabit Ethernet adapter |
| Hub power | Bus-powered; no external supply is listed |
| Host charging | No host-charging pass-through is documented |
Performance figures are manufacturer claims. Source checked October 5, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Combine wired networking with USB expansion
Y-3045 is intended to solve two connection problems through a USB-A host: adding a wired Ethernet connection and expanding USB connectivity. The manual identifies Gigabit LAN and a USB 3.0 hub in the same device, and says it draws power from the USB connection rather than a separate supply. That combination may suit a desktop or older notebook with a USB-A socket but no built-in Ethernet jack. It is a focused connectivity adapter rather than a broad video dock; the manual does not describe HDMI, card readers, or USB-C Power Delivery.
Check the Ethernet requirement and the right cable
The manual specifies IEEE 802.3 10/100/1000Mbps and support for Auto MDI-X. This is the wired network function buyers should compare against their router or switch and the network cable they plan to use. The product document also describes link-change, Magic Packet, and Microsoft wake-up support. Those are manual-listed capabilities, not a guarantee that every computer, operating-system version, or network policy will use wake-on-LAN as expected. If reliable wired networking matters, check whether the current operating system supports the adapter chipset and whether it needs a driver before relying on the device for work.
Resolve the USB port-count discrepancy first
The manual's prose calls Y-3045 a three-port USB 3.0 hub, but its technical connector table lists a USB-A plug, only one downstream USB-A socket, and an RJ45 port. Those statements do not give a consistent downstream count. A buyer should confirm that the photographed live unit matches the Y-3045 manual and count the USB sockets directly. Do not choose this model based on an assumed three usable downstream ports until the seller provides a clear port-face photo or corrected specification.
Account for the driver split
The manual says the USB hub works without installing a driver and separately says a network driver is required for Gigabit Ethernet. This distinction matters if the computer is offline or if the user cannot install software. Its listed operating systems date from the original manual, so current Windows, macOS, and Linux support should be checked for the exact network chipset rather than inferred from that historical compatibility list. The source gives ASIX AX88179 as the chipset and names USB 2.0 backward compatibility, but does not document present driver availability.
Keep the model and Amazon identity separate
UNITEK's official support page lists Y-3045 and Y-3045C as different entries. The similar code is not sufficient to apply the Y-3045C product description to this older model. The original Y-3045 manual is the source for this profile, while B00EHDNAOE remains a historical ASIN clue with no readable current Amazon detail. Search for Y-3045 and verify that the result's label and port face match the manual. The tagged search does not claim that the historical ASIN is currently offered.
Treat bus power as a limit to check with attached devices
The manual calls the adapter bus-powered and does not list a separate supply or a USB-C charging input. A bus-powered device draws from its host connection, so the source does not support assuming a dedicated high-current charging output for phones or storage equipment. The exact downstream socket count is already uncertain, and there is no per-port current budget in the saved manual record. Buyers should compare the listed role with the intended peripherals and select a separately powered model if their setup requires a specified power budget. This advice follows the manual's stated power arrangement and does not report a load test.
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Before you buy
Does Y-3045 include Ethernet?
Yes. Its manual specifies a Gigabit LAN adapter.
Does it need an external power adapter?
The manual describes it as bus-powered and lists no external supply.
Is the downstream USB count certain?
No. The manual's prose and connector table disagree.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- UNITEK Y-3045 user manual; official model list distinguishes Y-3045 from Y-3045C ↗ — checked October 5, 2026.
- Y-3045 manual documents model identity, bus power, Gigabit Ethernet, ASIX AX88179, USB ratings, connector table, and driver distinction ↗ — checked October 5, 2026.
- UNITEK official model list keeps Y-3045 and Y-3045C separate ↗ — checked October 5, 2026.
- Historical ASIN page was unreadable and no exact model mapping was established ↗Paid link · We may earn a commission. — checked October 5, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.