10Gtek 𝟭.𝟮𝟱/𝟮.𝟱/𝟱/𝟭𝟬𝗚-𝗧 𝗦𝗙𝗣+ 𝘁𝗼 𝗥𝗝𝟰𝟱 CAT.6a Copper Transceiver, Auto-Negotiation SFP+ Ethernet Module, up to 30-Meter, for Cisco SFP-10G-T-X, Netgear and More
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Sep 10
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
Features
- Data Rate: 1.25G/2.5G/5G/10G
- Interface: RJ-45; Cable Type: CAT.6a/CAT7
- Reach: up to 30 meters
Product Dimensions: 2.68 x 0.55 x 0.51 inches
Item Weight: 0.847 ounces
Manufacturer: 10Gtek
Item model number: ASF-10G2-T(Cisco-1pc)
Date First Available: September 15, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Sep 10
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
I need a transducer to be able to connect the Mac mini using a Plugable 5G ethernet adapter to properly hook it up to my 10G aggregation switch. The price is good. No errors on my Unifi based Network hardware. Up until now no heat issues. practically Plug and Play, and now my mini can interchange data at speeds not know to it. The aspect of this transducer being mutispeed permits me to connect any pc at the speeds it can negotiate: 1.25, 2.5, 5 ( my Mac mini speed ) and 10G. Very nice addition to my setup. good quality. And very easy to install. As You can see in the picture, the bottom row second from the right is the 10Gtek transducer.......
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Reviewed in the United States on October 29, 2025 by Eduardo Talavera
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
Works as planned, connects my ONU to the SFP+ port on my firewall.
Reviewed in the United States on August 14, 2026 by Kindle Customer
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
I have 2 of these. - One in my UniFi udm-pro at 10gb to connect to frontier ~(2 years old) - one at 2.5gb in my UniFi us-xg-16 10 gb switch. In the us-xg-16 you should just plug it in and leave it configured at 10gb and it will auto connect to, in my case a Poe injector and a u7-pro at 2.5gb. It will show 10gb in the switch this is correct. If you try to manually configure it in the switch to 2.5gbps it will fail and be massively frustrating.
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Reviewed in the United States on November 13, 2025 by Weaselball
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
SFP+ to RJ45 copper transceivers run hot to the touch because they draw significantly more power than fiber optic modules, often over 3W, to process high-speed 10G Ethernet signals. The small metal case of the transceiver traps heat without an easy way to dissipate it, so these modules can reach temperatures up to 70°C (158°F) and feel very hot during normal operation. Fiber or DAC modules run much cooler by comparison. My 10G Setup: I. Dell Optiplex 7060 SFF i7 8700 (256GB NVMe M.2) running OPNsense A. Dell 0XYT17 0942V6 Intel X520-DA2 Dual Port 10G SFP+ PCIe with low profile (NIC) 1. 10Gtek 𝟭.𝟮𝟱/𝟮.𝟱/𝟱/𝟭𝟬𝗚-𝗧 𝗦𝗙𝗣+ 𝘁𝗼 𝗥𝗝𝟰𝟱 CAT.6a Copper Transceiver from ISP ONT via CAT7 Ethernet 2. Cisco SFP-10G-SR 10G Base SFP+ Transceiver to Binardat 12 Port 10 Gigabit SFP Managed Switch via OM3 Fiber Pros: Ease of removal (design allows for removal compared to other RJ45 transceivers) Size is typical Connectivity (compatible with my Dell Intel NIC) Value for Money Ease of Installation
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Reviewed in the United States on November 25, 2025 by Dad
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
Works but I eventually replaced it due to needing to reboot the port.
Reviewed in the United States on March 2, 2026 by CDubbsW0rld
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
Device couldn't auto negotiate to 1.25 Gbps link speed. When I tried to force the link to that speed, it wouldn't work at all. No matter what I tried, the device just stayed stuck at 10 Gbps and wouldn't auto-negotiate to proper speeds when paired to any interface at varying link speeds. This caused issues when trying to communicate with my ISP via a WAN link. There is quite a bit of overhead as well, expect to lose about 200+ Mbps on your link, even when it does work. Runs hot. Quality is average. I feel like the compatibility isn't great. It was easy to setup. It has a single port capacity. All in all, I feel like this wasn't worth the price I paid.
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Reviewed in the United States on August 26, 2025 by The Exile
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
Update: 10GTek reached out to me and offered a refund if I returned the adapter. The thing that I most appreciate, however, is they asked for a lot of information about my system and how it failed. They want to test the returned unit to see why it was acting this way. I can't ask more of a company than to stand behind their products and try to better them as they find issues. I would be very comfortable buying more products from them knowing now that they will stand behind their products past the 30 day return window. This worked great for about 45 days as the WAN adapter on my Ubiquiti UDM, then all of a sudden I started having all kinds of speed problems, latency, and dropped packets. It correctly negotiated the port speed on the ethernet side (5Gb) and never ran hot. I thought it was an ISP issue but when I removed this adapter and went straight into the 1Gb ethernet WAN all of my problems went away. This is absolute junk and now the return window is closed.
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Reviewed in the United States on May 16, 2025 by Lee
Size: 1) 1G/2.5G/5G/10G-T: 30m
Number of Items: 1
This transceiver worked great in another switch I purchased from Amazon with a no-name Chinese company. I also used it in media converters (fiber to copper) for connecting directly to my computer. It automatically negotiates the speed and was extremely easy to install. It was also compatible in my Intel X710 network card that runs the network for my server to connect to my coax cable modem. The fact this SFP supports multiple speed options is also great because I connected it to a switch with only 10G but it worked fine connected to a 2.5G copper RJ45 jack without any errors, so it must negotiate and rate limit within itself.
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Reviewed in the United States on June 18, 2025 by R. Blake