Thunderbolt to Gigabit Ethernet Adapter

  • Overview

    The Apple Thunderbolt to Gigabit Ethernet Adapter lets you easily connect to a high-performance Gigabit Ethernet network. Small and compact, it connects to the Thunderbolt port on your Mac computer and provides an RJ-45 port that supports 10/100/1000BASE-T networks.

    What’s in the Box

    Apple Thunderbolt to Gigabit Ethernet Adapter with built-in Thunderbolt cable

    System Requirements

    OS X v10.7.4 or later

    Thunderbolt-equipped Mac computer

  • 3.0 Average
    3 out of 5 stars
    Number of stars Percentage Number of reviews
    • 5.0 out of 5 stars

      Works great on Retina MBP

      Works perfectly fine on the new Retina MBP.

      • Written by Rick R from Hewitt

      738 of 844 people found this useful

      Is this review useful?Works great on Retina MBP

    • 5.0 out of 5 stars

      Exceptional with the 2011 Macbook Air 13

      Installed the new Driver / Thunderbolt 1.2 Update from Software Update, plugged it in, and zoom. Works great, no longer wasting a USB port, and its super fast! Installed the new Driver / Thunderbolt 1.2 Update from Software Update, plugged it in, and zoom. Works great, no longer wasting a USB port, and its super fast! Will be perfect in those hotels with no WiFi. No compatibility issues with my 2011 MBA 13 inch I bought last year.

      • Written by Sayantan N from White Plains

      510 of 588 people found this useful

      Is this review useful?Exceptional with the 2011 Macbook Air 13

    • 4.0 out of 5 stars

      Works if you can find the Thunderbolt 1.2 update

      This adapter requires an update to the AppleBCM5701Ethernet plugin to work. That update was present in the thunderbolt software update 1.2 package. Said updat This adapter requires an update to the AppleBCM5701Ethernet plugin to work. That update was present in the thunderbolt software update 1.2 package. Said update was pulled from the automatic update list due to it crashing non-thunderbolt systems such as old macbook pros. I haven't read a report of any problems for us macbook air users, and it works great on my 2011 macbook air. If you're lucky enough to have grabbed a copy of the update from apple's KB article before it was pulled from there as well, you should be able to use the adapter. Presumably apple will fix this big error in a day or so with a newer thunderbolt update. If you know what you're doing, you could always backup your IONetworkingFamily kext before applying the update, and then restore just that kext it if your system crashes from the update. Nice performance with this dongle - I get 900Mbps throughput. Driver (and broadcom's specs) indicate jumbo frame support, but I haven't tried it. Jumbo frames not really necessary IMO since the CPU is beefy enough to handle high packet/second data rates. Finally a cheap way to get data on&off a macbook air at speeds above USB 2.

      • Written by Bruce C from Kentfield

      392 of 462 people found this useful

      Is this review useful?Works if you can find the Thunderbolt 1.2 update

    • 1.0 out of 5 stars

      Periodically stops working physical connection loose

      This dongle stuff is not reliable over time. On my 2015 MBP, the lightning connector for this adapter is loose in both ports. I will be running web meetings This dongle stuff is not reliable over time. On my 2015 MBP, the lightning connector for this adapter is loose in both ports. I will be running web meetings and if my laptop shifts or I bump the cable, the network disconnects, killing my meeting. It's really frustrating to have spent $2,000, then $30 for this connector and have unreliable Internet. I don't know if the flaw is with the adapter or laptop ports, or both. Just ridiculous to have this problem. I was better off with tech in the 1990s, then I plugged in network cable and it never failed.

      • Written by Thomas S from Clarksville

      6 of 6 people found this useful

      Is this review useful?Periodically stops working physical connection loose

    • 5.0 out of 5 stars

      Works great at gigabit speeds on my 15" Late 2013 MacBook Pro w/ El Capitan

      Just saw a review that said this adaptor doesn't work at gigabit speeds on OS X El Capitan 10.11.4. Well, I don't have 10.11.4 anymore, I've got 10.11.6, ho Just saw a review that said this adaptor doesn't work at gigabit speeds on OS X El Capitan 10.11.4. Well, I don't have 10.11.4 anymore, I've got 10.11.6, however, at no point have I ever noticed my network performance slow down with it. And I would notice, because I am frequently moving around 1+ GB files around our company network. I've had nothing but good experiences with this adapter. High-performance, works just as though the port is built into the Mac.

      • Written by Krishen G from Sarasota

      2 of 3 people found this useful

      Is this review useful?Works great at gigabit speeds on my 15" Late 2013 MacBook Pro w/ El Capitan

    • 1.0 out of 5 stars

      Stops working

      I had it for a 2-3 years. I used it 30-40 times and stopped working. This is the second connector from Apple that behaves this way. I used to have one to get I had it for a 2-3 years. I used it 30-40 times and stopped working. This is the second connector from Apple that behaves this way. I used to have one to get an HDMI connection (before it became standard in the MacBookPro), which I used 10 times before it quit. No buying these expensive gadgets from Apple anymore.

      • Written by OSCAR C from Chicago

      7 of 7 people found this useful

      Is this review useful?Stops working

  • Answers from the community

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