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expiredSkillful_Pickle | Staff posted Apr 08, 2024 02:47 PM
expiredSkillful_Pickle | Staff posted Apr 08, 2024 02:47 PM

Prime Members: UGREEN 2.5GB/s USB C to Ethernet Adapter

& More + Free S&H

$15

$30

50% off
Amazon
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UGREEN GROUP Limited via Amazon offers Prime Members: UGREEN 2.5GB/s USB C to Ethernet Adapter (UG-USBC-25052) on sale for $23.99 - $9.12 off when you apply promotion code 38Z8F19B at checkout = $14.87. Shipping is free.

Thanks to Slickdeals staff member Skillful_Pickle for finding this deal.
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Written by megakimcheelove | Staff
  • About this deal:
    • Offer valid for a limited time while supplies last.
  • Ratings & Reviews:
    • Rated 4.6 out of 5 stars based on over 270 customer reviews.
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Product Info
Community Notes
About the Poster
UGREEN GROUP Limited via Amazon offers Prime Members: UGREEN 2.5GB/s USB C to Ethernet Adapter (UG-USBC-25052) on sale for $23.99 - $9.12 off when you apply promotion code 38Z8F19B at checkout = $14.87. Shipping is free.

Thanks to Slickdeals staff member Skillful_Pickle for finding this deal.
  • Note: Must be logged in to clip coupons; coupons are typically one-time use.
Also available:

Editor's Notes

Written by megakimcheelove | Staff
  • About this deal:
    • Offer valid for a limited time while supplies last.
  • Ratings & Reviews:
    • Rated 4.6 out of 5 stars based on over 270 customer reviews.
  • About this store:

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Model: UGREEN USB C to Ethernet Adapter 2.5G, Ethernet Adapter for Laptop, Aluminum, Type C (Thunderbolt 4/3) to Rj45 Network Internet LAN Adapter, Compatible for NAS, MacBook Air/Pro, XPS, iPhone 15 Pro/Max

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Sort: Lowest to Highest | Last Updated 11/29/2025, 07:15 AM
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Top Comments

RyanI1292
32 Posts
10 Reputation
I've had this for over a year. The USB hub works just fine, but the Ethernet connection will randomly drop.
mbaci
973 Posts
124 Reputation
This is a more common problem with usb to ethernet or some other protocol adapters (e.g. wifi). The root of the problem is how windows handles the usb device controller. Not gonna endorse or bash this product, but a common fix for this is to block windows from applying automatic power savings to this device or the usb controller so windows doesn't put the device to sleep when idle. The problem usually arises when windows asks the device to wake up from idle and it just hangs up.
AlexB8029
60 Posts
40 Reputation
Just FYI, this has an F on Fakespot. Though I do see some positive reviews that seem legit, so it might still be decent.

35 Comments

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Apr 10, 2024 04:40 PM
9 Posts
Joined Oct 2022
b1naryshroudApr 10, 2024 04:40 PM
9 Posts
Quote from Edbmsm :
That one is standard 1 GbE, this one is 2.5 GbE. If you have the common 1G Ethernet hub (ie, don't have a 2.5G/5G/10G hub), they both will negotiate to 1G- no speed benefit, and not sure the reliability difference of the chip TP-Link is using.

When comparing to the Ugreen 4-1, this one adds USB hub ports, plus has a USB Type-A, then an adapter to use USB-C ports, which is proper when speed is only USB 3.0 (Type-A ports more common, USB-C ports prioritized for faster links)
Thank you, very helpful.
Apr 11, 2024 08:30 PM
379 Posts
Joined Feb 2016
EdbmsmApr 11, 2024 08:30 PM
379 Posts
Quote from booboloo :
I have this one that claims 8156b hardware id 8156&rev_3104 no idea if newer or older
https://www.aliexpress.us/item/3256806034232837.html [aliexpress.us]
RTL8156BG are newer, with the vague assurance note from Realtek:
"This controller improves upon the performance issues commonly associated with the RTL8156 and RTL8156B versions."

History: Known overheat issues with the original RTL8156, mostly gone in RTL8156B but replaced with intermittent disconnect / slowness issues linked to USB-power/sleep and buffer size, and the current RTL8156BG seems to be the best and mostly working (assuming the product itself has no weaker link/component in the chain).

Note that there are overheating issues with 2.5G/faster switching hubs. Throttling / disconnects might be prevented by adding fans inside/outside the case, where also attaching a small heatsink to the main chip makes the largest difference. The commercial hubs tend to have better cooling, so might revisit when 5G trickles way down in pricing.
Last edited by Edbmsm April 11, 2024 at 02:32 PM.
1
Apr 11, 2024 10:25 PM
3,137 Posts
Joined Jun 2010
boobolooApr 11, 2024 10:25 PM
3,137 Posts
Quote from Edbmsm :
RTL8156BG are newer, with the vague assurance note from Realtek:
"This controller improves upon the performance issues commonly associated with the RTL8156 and RTL8156B versions."

History: Known overheat issues with the original RTL8156, mostly gone in RTL8156B but replaced with intermittent disconnect / slowness issues linked to USB-power/sleep and buffer size, and the current RTL8156BG seems to be the best and mostly working (assuming the product itself has no weaker link/component in the chain).

Note that there are overheating issues with 2.5G/faster switching hubs. Throttling / disconnects might be prevented by adding fans inside/outside the case, where also attaching a small heatsink to the main chip makes the largest difference. The commercial hubs tend to have better cooling, so might revisit when 5G trickles way down in pricing.
Hm interesting, I wonder what the BG identifies itself as in the hardware ID.

*reviews claims
Hardware Ids: USB\VID_OBDA&PID_8156&REV_3104
is in fact the BG

31.04: RTL8156B(S)G
https://www.amazon.com/StarTech-c...B07Z177Y2D

Makes sense, I've had no problems at 2.5Gbps

I did uncheck "Allow the computer to turn off this device to save power" just in case though.
Last edited by booboloo April 11, 2024 at 04:42 PM.
Apr 11, 2024 11:09 PM
379 Posts
Joined Feb 2016
EdbmsmApr 11, 2024 11:09 PM
379 Posts
Quote from booboloo :
Hm interesting, I wonder what the BG identifies itself as in the hardware ID.

*reviews claims
Hardware Ids: USB\VID_OBDA&PID_8156&REV_3104
is in fact the BG

31.04: RTL8156B(S)G
https://www.amazon.com/StarTech-c...B07Z177Y2D [amazon.com]

Makes sense, I've had no problems at 2.5Gbps
You are correct - this Ugreen one has the same "REV_3104" HW ID.

My Asustor AS-U2.5G2 claims to have RTL8156B and its HW ID has "REV_3100"

Your (generic?) adapter (good deal!) shows a pic that identifies the PCB as from CableCreation. I have a plastic-shell USB-C version from CableCreation that is also ID'ed as 3104.

Edit: Yes, I also made the config change to not have it auto power down.

FYI, verified Ugreen's download site has the same driver version (Win10) as the latest on Realtek's site - Install_USB_Win10_10059_20_07272023_08042023:

https://www.realtek.com/en/compon...0-software

On linux, reports show the BG (v31.04) fixed the issues of the B version. Ex.:
https://www.cnx-software.com/2022...in-ubuntu/
Last edited by Edbmsm April 11, 2024 at 05:14 PM.
Apr 12, 2024 12:05 AM
379 Posts
Joined Feb 2016
EdbmsmApr 12, 2024 12:05 AM
379 Posts
The USB-C connector isn't holding / clicking-in all that well. It doesn't take much to disconnect, which is very common with commodity connectors.

Just figure out a way to strain-relief the connector- velcro-strap the body to an adjacent cable, or better yet, create a tension that presses the connector to the USB-C port.

otw, working well on Windows 10. I loaded the latest driver, 10059_20_07272023_08042023 (10.59.20.420), which can be downloaded from Ugreen or Realtek's sites.

Edit: Added actual driver version number.

Edit 2: Another way to get solid USB-C retention is to use stubby extension adapter or cable that has quality connectors. Ex.:
https://www.amazon.com/Degree-Fem...B0B77CJD7T

Permanently attach the adapter - with tension - on the 2.5G dongle side, using a band that wont degrade like rubber:
https://www.amazon.com/s?k=mini+r...s+for+hair

Motor-heads can use Viton O-rings for overkill.

YMMV with USB adapters/extenders/cables - only time (and a couple of earthquakes) will tell if connector intermittency is fixed ... or aggravated by 2x. EEK!
Last edited by Edbmsm April 15, 2024 at 02:58 AM.
Apr 12, 2024 05:44 PM
5,271 Posts
Joined Mar 2013
SKV4mApr 12, 2024 05:44 PM
5,271 Posts
I spent a little more for a usb c 65w pass through hub with Ethernet. It's more useful but it doesn't charge
Apr 12, 2024 06:13 PM
1,106 Posts
Joined Jun 2007
tinh_siApr 12, 2024 06:13 PM
1,106 Posts
given that you can get one from a much reputable brands (i.e., D3LL) from eBay at about the same price everyday. Why bother with these?

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Apr 12, 2024 07:01 PM
8,351 Posts
Joined Jun 2009
Deal2goApr 12, 2024 07:01 PM
8,351 Posts
need a card reader that will read usb flash drive that has lightening. usbc .

what do you recommend?
Apr 12, 2024 07:11 PM
3,588 Posts
Joined Oct 2006
XamindarApr 12, 2024 07:11 PM
3,588 Posts
Quote from samHD :
what happens if you use this usb-c/ethernet adapter to connect an ethernet switch to a JBOD enclosure (like this: https://slickdeals.net/f/17393610-sabrent-10-bay-3-5-sata-hard-drive-tray-less-jbod-docking-station-usb-3-2-type-c-and-type-a-400-free-s-h?src=SiteSearchV2Algo )?

Does ANYTHING happen?
Correct, nothing would happen.

First, that enclosure has 0 drives installed.
Second, you haven't configured the IP addresses on both ends of the connection.
Apr 12, 2024 08:06 PM
17 Posts
Joined Aug 2017
MichaelCorleoneApr 12, 2024 08:06 PM
17 Posts
Quote from Deal2go :
need a card reader that will read usb flash drive that has lightening. usbc .

what do you recommend?
Hiearcool USB C Hub, USB C Multi-Port Adapter for MacBook Pro, 7IN1 USB C to HDMI Hub Dongle Compatible for USB C Laptops and Other Type C Devices (4K HDMI USB3.0 SD/TF Card Reader 100W PD)
Apr 12, 2024 08:13 PM
26,458 Posts
Joined May 2006
namlookApr 12, 2024 08:13 PM
26,458 Posts
Quote from Xamindar :
Correct, nothing would happen.

First, that enclosure has 0 drives installed.
Second, you haven't configured the IP addresses on both ends of the connection.
How would you configure an IP address on a hard drive dock?
Apr 13, 2024 12:18 AM
68 Posts
Joined Mar 2024
EfficientHarrier605Apr 13, 2024 12:18 AM
68 Posts
I also want to know if this will allow you to run ethernet to non-pc devices.
1
Apr 13, 2024 03:34 PM
199 Posts
Joined Dec 2004
IceQiApr 13, 2024 03:34 PM
199 Posts
I bought a bunch of no-name USB ethernet adapters a few years ago and they were giving me worse performance than WiFi. Turns out they were dropping packets like crazy. The only one I bought that never dropped packets was an Aukey.

Anyone test these for packet loss?
Apr 13, 2024 03:44 PM
2,093 Posts
Joined Aug 2007
dealpapaApr 13, 2024 03:44 PM
2,093 Posts
I just got a bunch from ali for $6

so far so good

This site seems block al weblink
1

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Apr 15, 2024 01:33 AM
2,035 Posts
Joined Jan 2011
samHDApr 15, 2024 01:33 AM
2,035 Posts
Quote from namlook :
How would you configure an IP address on a hard drive dock?
i had an innocent question, but then you got Xamindar trying to throw off future readers with, well, nonsense.
1

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